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Steve Seear
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call_user_func_array() tests
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‎ext/standard/tests/general_functions/call_user_func_array_variation_001.phpt

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--TEST--
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call_user_func_array() passes by reference if the array element is referenced, regardless of function signature.
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--FILE--
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<?php
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function by_val($arg) {
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$arg = 'changed';
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}
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function by_ref(&$arg) {
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$arg = 'changed';
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}
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echo "------ Calling by_val() with unreferenced argument ------\n";
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$arg = array('original');
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call_user_func_array('by_val', $arg);
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var_dump($arg);
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echo "------ Calling by_ref() with unreferenced argument ------\n";
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$arg = array('original');
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call_user_func_array('by_ref', $arg);
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var_dump($arg);
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echo "------ Calling by_val() with referenced argument ------\n";
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$arg = array('original');
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$ref = &$arg[0];
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call_user_func_array('by_val', $arg);
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var_dump($arg);
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echo "------ Calling by_ref() with referenced argument ------\n";
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$arg = array('original');
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$ref = &$arg[0];
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call_user_func_array('by_ref', $arg);
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var_dump($arg);
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?>
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--EXPECTF--
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------ Calling by_val() with unreferenced argument ------
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array(1) {
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[0]=>
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string(8) "original"
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}
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------ Calling by_ref() with unreferenced argument ------
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array(1) {
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[0]=>
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string(8) "original"
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}
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------ Calling by_val() with referenced argument ------
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array(1) {
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[0]=>
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&string(7) "changed"
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}
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------ Calling by_ref() with referenced argument ------
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array(1) {
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[0]=>
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&string(7) "changed"
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}

‎ext/standard/tests/general_functions/call_user_func_array_variation_002.phpt

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--TEST--
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Test call_user_func_array() function : first parameter variation
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--FILE--
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<?php
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/* Prototype : mixed call_user_func_array(string function_name, array parameters)
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* Description: Call a user function which is the first parameter with the arguments contained in array
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* Source code: ext/standard/basic_functions.c
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* Alias to functions:
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*/
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echo "*** Testing call_user_func_array() : usage variation ***\n";
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// Define error handler
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function test_error_handler($err_no, $err_msg, $filename, $linenum, $vars) {
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if (error_reporting() != 0) {
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// report non-silenced errors
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echo "Error: $err_no - $err_msg, $filename($linenum)\n";
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}
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}
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set_error_handler('test_error_handler');
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// Initialise function arguments not being substituted (if any)
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$parameters = array(1, 2);
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//get an unset variable
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$unset_var = 10;
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unset ($unset_var);
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// define some classes
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class classWithToString
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{
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public function __toString() {
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return "Class A object";
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}
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}
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class classWithoutToString
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{
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}
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// heredoc string
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$heredoc = <<<EOT
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hello world
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EOT;
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// add arrays
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$index_array = array (1, 2, 3);
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$assoc_array = array ('one' => 1, 'two' => 2);
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//array of values to iterate over
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$inputs = array(
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// int data
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'int 0' => 0,
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'int 1' => 1,
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'int 12345' => 12345,
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'int -12345' => -2345,
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// float data
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'float 10.5' => 10.5,
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'float -10.5' => -10.5,
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'float 12.3456789000e10' => 12.3456789000e10,
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'float -12.3456789000e10' => -12.3456789000e10,
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'float .5' => .5,
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// array data
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'empty array' => array(),
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'int indexed array' => $index_array,
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'associative array' => $assoc_array,
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'nested arrays' => array('foo', $index_array, $assoc_array),
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// null data
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'uppercase NULL' => NULL,
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'lowercase null' => null,
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// boolean data
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'lowercase true' => true,
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'lowercase false' =>false,
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'uppercase TRUE' =>TRUE,
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'uppercase FALSE' =>FALSE,
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// empty data
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'empty string DQ' => "",
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'empty string SQ' => '',
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// object data
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'instance of classWithToString' => new classWithToString(),
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'instance of classWithoutToString' => new classWithoutToString(),
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// undefined data
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'undefined var' => @$undefined_var,
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// unset data
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'unset var' => @$unset_var,
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);
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// loop through each element of the array for function_name
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foreach($inputs as $key =>$value) {
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echo "\n--$key--\n";
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var_dump( call_user_func_array($value, $parameters) );
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};
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?>
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===DONE===
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--EXPECTF--
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*** Testing call_user_func_array() : usage variation ***
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--int 0--
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Error: 2 - call_user_func_array(): First argument is expected to be a valid callback, '0' was given, %s(%d)
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NULL
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--int 1--
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Error: 2 - call_user_func_array(): First argument is expected to be a valid callback, '1' was given, %s(%d)
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NULL
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--int 12345--
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Error: 2 - call_user_func_array(): First argument is expected to be a valid callback, '12345' was given, %s(%d)
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NULL
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--int -12345--
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Error: 2 - call_user_func_array(): First argument is expected to be a valid callback, '-2345' was given, %s(%d)
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NULL
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--float 10.5--
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Error: 2 - call_user_func_array(): First argument is expected to be a valid callback, '10.5' was given, %s(%d)
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NULL
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--float -10.5--
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Error: 2 - call_user_func_array(): First argument is expected to be a valid callback, '-10.5' was given, %s(%d)
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NULL
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--float 12.3456789000e10--
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Error: 2 - call_user_func_array(): First argument is expected to be a valid callback, '123456789000' was given, %s(%d)
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NULL
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--float -12.3456789000e10--
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Error: 2 - call_user_func_array(): First argument is expected to be a valid callback, '-123456789000' was given, %s(%d)
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NULL
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--float .5--
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Error: 2 - call_user_func_array(): First argument is expected to be a valid callback, '0.5' was given, %s(%d)
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NULL
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--empty array--
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Error: 2 - call_user_func_array(): First argument is expected to be a valid callback, 'Array' was given, %s(%d)
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NULL
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--int indexed array--
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Error: 2 - call_user_func_array(): First argument is expected to be a valid callback, 'Array' was given, %s(%d)
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NULL
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--associative array--
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Error: 2 - call_user_func_array(): First argument is expected to be a valid callback, 'Array' was given, %s(%d)
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NULL
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--nested arrays--
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Error: 2 - call_user_func_array(): First argument is expected to be a valid callback, 'Array' was given, %s(%d)
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NULL
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--uppercase NULL--
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Error: 2 - call_user_func_array(): First argument is expected to be a valid callback, '' was given, %s(%d)
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NULL
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--lowercase null--
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Error: 2 - call_user_func_array(): First argument is expected to be a valid callback, '' was given, %s(%d)
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NULL
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--lowercase true--
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Error: 2 - call_user_func_array(): First argument is expected to be a valid callback, '1' was given, %s(%d)
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NULL
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--lowercase false--
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Error: 2 - call_user_func_array(): First argument is expected to be a valid callback, '' was given, %s(%d)
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NULL
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--uppercase TRUE--
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Error: 2 - call_user_func_array(): First argument is expected to be a valid callback, '1' was given, %s(%d)
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NULL
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--uppercase FALSE--
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Error: 2 - call_user_func_array(): First argument is expected to be a valid callback, '' was given, %s(%d)
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NULL
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--empty string DQ--
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Error: 2 - call_user_func_array(): First argument is expected to be a valid callback, '' was given, %s(%d)
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NULL
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--empty string SQ--
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Error: 2 - call_user_func_array(): First argument is expected to be a valid callback, '' was given, %s(%d)
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NULL
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--instance of classWithToString--
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Error: 2 - call_user_func_array(): First argument is expected to be a valid callback, 'Class A object' was given, %s(%d)
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NULL
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--instance of classWithoutToString--
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Error: 4096 - Object of class classWithoutToString could not be converted to string, %s(%d)
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Error: 8 - Object of class classWithoutToString to string conversion, %s(%d)
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Error: 2 - call_user_func_array(): First argument is expected to be a valid callback, 'Object' was given, %s(%d)
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NULL
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--undefined var--
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Error: 2 - call_user_func_array(): First argument is expected to be a valid callback, '' was given, %s(%d)
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NULL
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--unset var--
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Error: 2 - call_user_func_array(): First argument is expected to be a valid callback, '' was given, %s(%d)
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NULL
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===DONE===

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