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run code in 300+ PHP versions simultaneously
<?php $i = 0; $x = array(); $start = microtime( true ); do { $x[] = array( "firstname" => "Patrick", "lastname" => "Allaert" ); ++$i; } while ( $i < 500000 ); echo microtime( true ) - $start, "\n", memory_get_peak_usage(), "\n";
Output for 7.3.1
0.018044948577881 17169640
Output for 7.3.0
0.020559787750244 17169640
Output for 7.2.13
0.080989837646484 17165880
Output for 7.2.12
0.072175025939941 17165880
Output for 7.2.11
0.047855138778687 17165880
Output for 7.2.10
0.018193960189819 17165880
Output for 7.2.9
0.054293870925903 17165880
Output for 7.2.8
0.059391021728516 17165880
Output for 7.2.7
0.058931112289429 17165880
Output for 7.2.6
0.057164907455444 17165880
Output for 7.2.5
0.068540096282959 17165880
Output for 7.2.4
0.065559148788452 17165880
Output for 7.2.3
0.061591148376465 17165880
Output for 7.2.2
0.17066621780396 17165880
Output for 7.2.1
0.089037895202637 17165880
Output for 7.2.0

Process exited with code 137.
Output for 7.1.25
0.0518479347229 17129240
Output for 7.1.7
0.027729034423828 17129312
Output for 7.1.6
0.025016069412231 17129472
Output for 7.1.5
0.02326488494873 17129472
Output for 7.1.0
0.016206026077271 17129312
Output for 7.0.0 - 7.0.20
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 20480 bytes) in /in/i2WFD on line 6
Process exited with code 255.
Output for 5.2.1, 5.2.3 - 5.2.5, 5.3.0 - 5.3.10, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 72 bytes) in /in/i2WFD on line 6
Process exited with code 255.
Output for 5.2.10 - 5.2.17, 5.3.11 - 5.3.29
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 81 bytes) in /in/i2WFD on line 6
Process exited with code 255.
Output for 5.2.7 - 5.2.9
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 24 bytes) in /in/i2WFD on line 6
Process exited with code 255.
Output for 5.2.6
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 71 bytes) in /in/i2WFD on line 6
Process exited with code 255.
Output for 5.2.2
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 64 bytes) in /in/i2WFD on line 6
Process exited with code 255.
Output for 5.2.0
0.23515510559082 Fatal error: Call to undefined function memory_get_peak_usage() in /in/i2WFD on line 9
Process exited with code 255.
Output for 5.1.6
0.45503306388855 Fatal error: Call to undefined function memory_get_peak_usage() in /in/i2WFD on line 9
Process exited with code 255.
Output for 5.1.5
0.34930896759033 Fatal error: Call to undefined function memory_get_peak_usage() in /in/i2WFD on line 9
Process exited with code 255.
Output for 5.1.4
0.34373497962952 Fatal error: Call to undefined function memory_get_peak_usage() in /in/i2WFD on line 9
Process exited with code 255.
Output for 5.1.3
0.34804701805115 Fatal error: Call to undefined function memory_get_peak_usage() in /in/i2WFD on line 9
Process exited with code 255.
Output for 5.1.2
0.33481216430664 Fatal error: Call to undefined function memory_get_peak_usage() in /in/i2WFD on line 9
Process exited with code 255.
Output for 5.1.1
0.32285118103027 Fatal error: Call to undefined function memory_get_peak_usage() in /in/i2WFD on line 9
Process exited with code 255.
Output for 5.1.0
0.36512684822083 Fatal error: Call to undefined function memory_get_peak_usage() in /in/i2WFD on line 9
Process exited with code 255.
Output for 5.0.5
0.39474296569824 Fatal error: Call to undefined function memory_get_peak_usage() in /in/i2WFD on line 9
Process exited with code 255.
Output for 5.0.4
0.41139507293701 Fatal error: Call to undefined function memory_get_peak_usage() in /in/i2WFD on line 9
Process exited with code 255.
Output for 5.0.3
0.41939091682434 Fatal error: Call to undefined function memory_get_peak_usage() in /in/i2WFD on line 9
Process exited with code 255.
Output for 5.0.2
0.40252494812012 Fatal error: Call to undefined function memory_get_peak_usage() in /in/i2WFD on line 9
Process exited with code 255.
Output for 5.0.1
0.38413619995117 Fatal error: Call to undefined function memory_get_peak_usage() in /in/i2WFD on line 9
Process exited with code 255.
Output for 5.0.0
0.39256286621094 Fatal error: Call to undefined function memory_get_peak_usage() in /in/i2WFD on line 9
Process exited with code 255.
Output for 4.4.9
-0.608526 Fatal error: Call to undefined function: memory_get_peak_usage() in /in/i2WFD on line 9
Process exited with code 255.
Output for 4.4.8
0.43767 Fatal error: Call to undefined function: memory_get_peak_usage() in /in/i2WFD on line 9
Process exited with code 255.
Output for 4.4.7
0.416049 Fatal error: Call to undefined function: memory_get_peak_usage() in /in/i2WFD on line 9
Process exited with code 255.
Output for 4.4.6
-0.583155 Fatal error: Call to undefined function: memory_get_peak_usage() in /in/i2WFD on line 9
Process exited with code 255.
Output for 4.4.5
-0.605833 Fatal error: Call to undefined function: memory_get_peak_usage() in /in/i2WFD on line 9
Process exited with code 255.
Output for 4.4.4
-0.610345 Fatal error: Call to undefined function: memory_get_peak_usage() in /in/i2WFD on line 9
Process exited with code 255.
Output for 4.4.3
0.408993 Fatal error: Call to undefined function: memory_get_peak_usage() in /in/i2WFD on line 9
Process exited with code 255.
Output for 4.4.2
0.365811 Fatal error: Call to undefined function: memory_get_peak_usage() in /in/i2WFD on line 9
Process exited with code 255.
Output for 4.4.1
0.38799 Fatal error: Call to undefined function: memory_get_peak_usage() in /in/i2WFD on line 9
Process exited with code 255.
Output for 4.4.0
-0.637394 Fatal error: Call to undefined function: memory_get_peak_usage() in /in/i2WFD on line 9
Process exited with code 255.
Output for 4.3.11
0.430976 Fatal error: Call to undefined function: memory_get_peak_usage() in /in/i2WFD on line 9
Process exited with code 255.
Output for 4.3.10
-0.523667 Fatal error: Call to undefined function: memory_get_peak_usage() in /in/i2WFD on line 9
Process exited with code 255.
Output for 4.3.9
-0.63783 Fatal error: Call to undefined function: memory_get_peak_usage() in /in/i2WFD on line 9
Process exited with code 255.
Output for 4.3.8
-0.644298 Fatal error: Call to undefined function: memory_get_peak_usage() in /in/i2WFD on line 9
Process exited with code 255.
Output for 4.3.7
-0.531703 Fatal error: Call to undefined function: memory_get_peak_usage() in /in/i2WFD on line 9
Process exited with code 255.
Output for 4.3.6
-0.554498 Fatal error: Call to undefined function: memory_get_peak_usage() in /in/i2WFD on line 9
Process exited with code 255.
Output for 4.3.5
-0.630793 Fatal error: Call to undefined function: memory_get_peak_usage() in /in/i2WFD on line 9
Process exited with code 255.
Output for 4.3.4
0.376638 Fatal error: Call to undefined function: memory_get_peak_usage() in /in/i2WFD on line 9
Process exited with code 255.
Output for 4.3.3
0.44694 Fatal error: Call to undefined function: memory_get_peak_usage() in /in/i2WFD on line 9
Process exited with code 255.
Output for 4.3.2
0.385841 Fatal error: Call to undefined function: memory_get_peak_usage() in /in/i2WFD on line 9
Process exited with code 255.
Output for 4.3.1
0.352903 Fatal error: Call to undefined function: memory_get_peak_usage() in /in/i2WFD on line 9
Output for 4.3.0
0.470128 Fatal error: Call to undefined function: memory_get_peak_usage() in /in/i2WFD on line 9
preferences:
135.55 ms | 401 KiB | 192 Q