3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function reduceMultidimensionalArraysToOneDimension(array &$result, array $messages, $preffix) { foreach ($messages as $field => $msg) { if (is_array($msg)) { reduceMultidimensionalArraysToOneDimension($result, $msg, $preffix . $field . '_'); } else { $result[$preffix . $field] = $msg; } } } $messages = array( 'second1' => array( 'm1' => 'lorem ipusum', 'third1' => array( 'm1' => 'lorem ipusum', 'm2' => 'lorem ipusum', ), 'm2' => 'lorem ipusum', 'm3' => 'lorem ipusum', 'third2' => array( 'm1' => 'lorem ipusum', 'm2' => 'lorem ipusum', ), 'm4' => 'lorem ipusum', ), 'm1' => 'lorem ipusum', 'second2' => array( 'm1' => 'lorem ipusum', 'third1' => array( 'm1' => 'lorem ipusum', 'm2' => 'lorem ipusum', ), 'm2' => 'lorem ipusum', 'm3' => 'lorem ipusum', 'third2' => array( 'm1' => 'lorem ipusum', 'm2' => 'lorem ipusum', ), 'm4' => 'lorem ipusum', ), 'm2' => 'lorem ipusum', ); echo "Starting reference\n"; $time = microtime(true); $result = array(); reduceMultidimensionalArraysToOneDimension($result, $messages, 'preffix_'); $time = microtime(true) - $time; echo 'reference() took ' . $time . " seconds\n";
Output for 7.0.0, 7.0.6, 7.1.0
Starting reference reference() took 1.0967254638672E-5 seconds
Output for 7.0.5, 7.0.14
Starting reference reference() took 1.215934753418E-5 seconds
Output for 7.0.2, 7.0.4
Starting reference reference() took 1.0013580322266E-5 seconds
Output for 7.0.3
Starting reference reference() took 9.0599060058594E-6 seconds
Output for 7.0.1
Starting reference reference() took 1.5020370483398E-5 seconds
Output for 5.6.19, hhvm-3.12.0
Starting reference reference() took 3.9100646972656E-5 seconds
Output for 5.3.3, hhvm-3.10.0
Starting reference reference() took 2.1934509277344E-5 seconds
Output for 5.2.11 - 5.2.12, 5.3.11, 5.3.19, 5.6.28
Starting reference reference() took 3.0040740966797E-5 seconds
Output for 5.4.8, 5.4.18, 5.6.21
Starting reference reference() took 2.4080276489258E-5 seconds
Output for 5.6.20
Starting reference reference() took 1.7166137695312E-5 seconds
Output for 5.3.8, 5.3.17, 5.4.11 - 5.4.12, 5.6.18
Starting reference reference() took 2.7179718017578E-5 seconds
Output for 5.6.17
Starting reference reference() took 3.7193298339844E-5 seconds
Output for 5.6.16
Starting reference reference() took 1.9073486328125E-5 seconds
Output for 5.3.29, 5.6.15
Starting reference reference() took 2.0027160644531E-5 seconds
Output for 5.6.14
Starting reference reference() took 3.8862228393555E-5 seconds
Output for 5.2.7, 5.3.5, 5.3.20, 5.3.23, 5.4.4, 5.4.13, 5.4.15, 5.4.20, 5.5.32 - 5.5.33, 5.6.13
Starting reference reference() took 2.6941299438477E-5 seconds
Output for 5.2.9, 5.3.1, 5.5.30, 5.6.12
Starting reference reference() took 2.9087066650391E-5 seconds
Output for 5.4.35, 5.6.11
Starting reference reference() took 3.6954879760742E-5 seconds
Output for 5.4.25, 5.6.9 - 5.6.10
Starting reference reference() took 1.7881393432617E-5 seconds
Output for 5.3.24, 5.4.22, 5.4.36, 5.6.8
Starting reference reference() took 3.814697265625E-5 seconds
Output for 5.3.18, 5.4.0 - 5.4.1, 5.4.14, 5.4.16, 5.5.26, 5.5.34 - 5.6.7
Starting reference reference() took 2.598762512207E-5 seconds
Output for 5.3.16, 5.5.31
Starting reference reference() took 2.3126602172852E-5 seconds
Output for 5.5.29
Starting reference reference() took 2.8133392333984E-5 seconds
Output for 5.3.4, 5.3.10, 5.3.14, 5.3.21, 5.4.2 - 5.4.3, 5.4.5 - 5.4.7, 5.4.17, 5.4.27 - 5.4.28, 5.4.31 - 5.4.32, 5.5.25, 5.5.28
Starting reference reference() took 2.5033950805664E-5 seconds
Output for 5.2.6, 5.5.27
Starting reference reference() took 2.8848648071289E-5 seconds
Output for 5.2.3, 5.2.10, 5.2.14, 5.3.7, 5.4.26, 5.5.24
Starting reference reference() took 2.7894973754883E-5 seconds
Output for 5.4.45
Starting reference reference() took 4.9114227294922E-5 seconds
Output for 5.4.44
Starting reference reference() took 0.00010395050048828 seconds
Output for 5.4.43
Starting reference reference() took 0.00010204315185547 seconds
Output for 5.4.21, 5.4.42
Starting reference reference() took 4.1961669921875E-5 seconds
Output for 5.4.41
Starting reference reference() took 0.00011086463928223 seconds
Output for 5.4.40
Starting reference reference() took 0.00013399124145508 seconds
Output for 5.4.39
Starting reference reference() took 5.6982040405273E-5 seconds
Output for 5.4.38
Starting reference reference() took 4.4107437133789E-5 seconds
Output for 5.4.37
Starting reference reference() took 5.3882598876953E-5 seconds
Output for 5.4.34
Starting reference reference() took 4.6014785766602E-5 seconds
Output for 5.3.2, 5.4.30
Starting reference reference() took 2.4795532226562E-5 seconds
Output for 5.3.25, 5.4.29
Starting reference reference() took 3.504753112793E-5 seconds
Output for 5.4.24
Starting reference reference() took 2.3841857910156E-5 seconds
Output for 5.4.23
Starting reference reference() took 1.8119812011719E-5 seconds
Output for 5.2.13, 5.4.19
Starting reference reference() took 3.6001205444336E-5 seconds
Output for 5.4.10
Starting reference reference() took 4.2200088500977E-5 seconds
Output for 5.4.9
Starting reference reference() took 4.5061111450195E-5 seconds
Output for 5.2.5, 5.2.15, 5.3.13, 5.3.28
Starting reference reference() took 3.0994415283203E-5 seconds
Output for 5.3.27
Starting reference reference() took 3.2186508178711E-5 seconds
Output for 5.3.26
Starting reference reference() took 3.3855438232422E-5 seconds
Output for 5.3.22
Starting reference reference() took 1.978874206543E-5 seconds
Output for 5.3.15
Starting reference reference() took 2.288818359375E-5 seconds
Output for 5.3.12
Starting reference reference() took 3.2901763916016E-5 seconds
Output for 5.3.9
Starting reference reference() took 3.3140182495117E-5 seconds
Output for 5.3.6
Starting reference reference() took 7.2002410888672E-5 seconds
Output for 5.2.8, 5.3.0
Starting reference reference() took 3.1948089599609E-5 seconds
Output for 5.2.17
Starting reference reference() took 4.3869018554688E-5 seconds
Output for 5.2.16
Starting reference reference() took 4.1007995605469E-5 seconds
Output for 5.2.4
Starting reference reference() took 5.1021575927734E-5 seconds
Output for 5.2.2
Starting reference reference() took 2.0980834960938E-5 seconds
Output for 5.2.1
Starting reference reference() took 2.8848648071289E-05 seconds
Output for 5.2.0
Starting reference reference() took 3.6954879760742E-05 seconds
Output for 5.1.6
Starting reference reference() took 4.5061111450195E-05 seconds
Output for 5.1.5
Starting reference reference() took 2.2172927856445E-05 seconds
Output for 5.1.2, 5.1.4
Starting reference reference() took 3.0994415283203E-05 seconds
Output for 5.1.3
Starting reference reference() took 3.2901763916016E-05 seconds
Output for 5.1.1
Starting reference reference() took 2.9087066650391E-05 seconds
Output for 5.1.0
Starting reference reference() took 4.1961669921875E-05 seconds
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_ARRAY, expecting '&' or T_VARIABLE in /in/Evm87 on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_ARRAY, expecting ')' in /in/Evm87 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_ARRAY, expecting ')' in /in/Evm87 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/Evm87 on line 3
Process exited with code 255.