3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Book { public $title = ""; public $author = ""; public $yearofpublication = array(); } $book = new Book(); $book->title = "JSF Cookbook"; $book->author = "Anghel Leonard"; $book->yearofpublication={"2012","201"}; $result = json_encode($book); echo 'The JSON representation is:'.$result.'<br>';

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
5.4.390.0900.05718.82
5.4.380.1000.05318.52
5.4.370.1130.05318.59
5.4.360.1070.04718.72
5.4.350.0970.06318.61
5.4.340.1030.05018.58
5.4.320.0930.07018.62
5.4.310.0770.06018.77
5.4.300.1000.04718.71
5.4.290.0800.05318.62
5.4.280.0930.07018.46
5.4.270.0870.05718.73
5.4.260.0870.04718.72
5.4.250.0930.05718.73
5.4.240.0730.06018.49
5.4.230.0800.05318.79
5.4.220.0900.05718.70
5.4.210.0870.05718.80
5.4.200.0770.05316.67
5.4.190.0770.06318.51
5.4.180.1030.04718.73
5.4.170.0970.05718.70
5.4.160.0670.06318.70
5.4.150.0900.05718.52
5.4.140.0900.05716.30
5.4.130.0830.04316.45
5.4.120.0730.05016.37
5.4.110.0800.05716.19
5.4.100.1000.04316.16
5.4.90.1030.04716.23
5.4.80.0770.06316.21
5.4.70.0900.05716.20
5.4.60.1200.04316.20
5.4.50.1030.03716.33
5.4.40.0800.05316.23
5.4.30.0830.04716.19
5.4.20.0830.05316.20
5.4.10.0770.05316.26
5.4.00.0900.04015.65
5.3.290.0970.07314.72
5.3.280.0970.06714.80
5.3.270.0700.06314.61
5.3.260.0900.06014.71
5.3.250.0770.05314.60
5.3.240.0930.05314.80
5.3.230.0830.04714.61
5.3.220.0800.06014.62
5.3.210.0830.06314.72
5.3.200.0700.06714.58
5.3.190.0800.05314.70
5.3.180.0830.06014.58
5.3.170.0900.05014.57
5.3.160.0870.06014.78
5.3.150.1070.05014.54
5.3.140.1230.07314.57
5.3.130.1030.05314.71
5.3.120.0930.05014.72
5.3.110.0730.06314.59
5.3.100.1000.05314.17
5.3.90.0800.05714.11
5.3.80.0830.04714.09
5.3.70.0800.05014.24
5.3.60.0870.04314.08
5.3.50.0930.04313.96
5.3.40.0900.03713.94
5.3.30.0700.05313.93
5.3.20.0670.06013.73
5.3.10.0700.05313.76
5.3.00.0770.04713.67
5.2.170.0800.03711.27
5.2.160.0770.04011.20
5.2.150.0600.04711.18
5.2.140.0670.04011.18
5.2.130.0600.04311.22
5.2.120.0830.05011.32
5.2.110.0700.04711.13
5.2.100.0870.03711.23
5.2.90.0800.03711.13
5.2.80.0770.04011.14
5.2.70.0770.04311.13
5.2.60.0670.04311.15
5.2.50.0770.04711.12
5.2.40.0630.03710.99
5.2.30.0600.03311.08
5.2.20.0670.03710.98
5.2.10.0600.03710.89
5.2.00.0500.04010.83
5.1.60.0500.04010.01
5.1.50.0530.03010.03
5.1.40.0500.03310.05
5.1.30.0500.03710.38
5.1.20.0630.02710.46
5.1.10.0530.04310.14
5.1.00.0570.04710.20
5.0.50.0270.0408.68
5.0.40.0230.0308.50
5.0.30.0270.0438.26
5.0.20.0230.0308.23
5.0.10.0300.0308.30
5.0.00.0300.0478.18
4.4.90.0230.0275.95
4.4.80.0200.0275.95
4.4.70.0270.0205.89
4.4.60.0270.0275.88
4.4.50.0300.0175.96
4.4.40.0270.0375.90
4.4.30.0300.0175.90
4.4.20.0330.0205.92
4.4.10.0330.0235.92
4.4.00.0330.0335.91
4.3.110.0270.0235.94
4.3.100.0330.0175.93
4.3.90.0330.0175.78
4.3.80.0270.0375.77
4.3.70.0230.0235.82
4.3.60.0300.0235.78
4.3.50.0300.0235.82
4.3.40.0330.0405.73
4.3.30.0130.0304.56
4.3.20.0200.0274.66
4.3.10.0130.0234.46
4.3.00.0000.0239.34

preferences:
131.95 ms | 1398 KiB | 7 Q