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<?php function wrap( $arr){ test( $arr); } function test( $arr){ $refs = array(); $f = function( $arr) use( &$refs, &$f) { $refs[] = $arr; foreach( $arr as $v) { if( in_array( $v, $refs)) { print 'ref, '; } else { if( is_array( $v)) { $f( $v); } else { print $v . ', '; } } } }; $f( $arr); } $array = array(1, 2, 3, array(1, 2, 3)); $array[4][4][2][6][1] = array(1,2,3=>&$array); wrap( $array);
Output for 5.3.15 - 5.3.29, 5.4.5 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
1, 2, 3, 1, 2, 3, 1, 2, ref,
Output for 5.3.0 - 5.3.14, 5.4.0 - 5.4.4
1, 2, 3, 1, 2, 3, 1, 2, Fatal error: Nesting level too deep - recursive dependency? in /in/ApH1G on line 12
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/ApH1G on line 9
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/ApH1G on line 9
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/ApH1G on line 9
Process exited with code 255.
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327.29 ms | 401 KiB | 457 Q