3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=array(2,3,null,0,""); print_r(array_keys($a,null)); echo "\n"; $b=array(2,3,"",0,null) echo array_search(null, $b);

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)
5.6.120.0100.07020.94
5.6.110.0170.04020.95
5.6.100.0100.07721.00
5.6.90.0070.07020.96
5.6.80.0070.08020.52
5.5.280.0030.08720.88
5.5.270.0170.07720.75
5.5.260.0100.08020.84
5.5.250.0030.08320.57
5.5.240.0030.07720.18
5.4.440.1530.04719.24
5.4.430.0170.04319.63
5.4.420.0130.04719.48
5.4.410.0070.05319.50
5.4.400.1130.04719.31
5.4.390.0400.05719.23
5.4.380.0130.05018.99
5.4.370.0030.05319.32
5.4.360.0130.05319.07
5.4.350.0030.05718.91
5.4.340.0100.07019.10
5.4.320.0200.05319.32
5.4.310.0600.04718.93
5.4.300.0170.05319.28
5.4.290.0200.05719.23
5.4.280.0170.04719.01
5.4.270.0070.05018.91
5.4.260.0100.05718.92
5.4.250.0170.04719.09
5.4.240.0130.05019.32
5.4.230.0000.05719.10
5.4.220.0100.06019.05
5.4.210.0170.04718.98
5.4.200.0170.04016.63
5.4.190.0130.04318.89
5.4.180.0070.05019.18
5.4.170.0130.05018.98
5.4.160.0130.05018.96
5.4.150.0000.06019.15
5.4.140.0000.05716.46
5.4.130.0130.05316.25
5.4.120.0330.04016.62
5.4.110.0170.04716.39
5.4.100.0130.05016.28
5.4.90.0070.05316.41
5.4.80.0030.05716.62
5.4.70.0100.06316.56
5.4.60.0130.04316.21
5.4.50.0100.05016.50
5.4.40.0130.04716.45
5.4.30.0200.04316.50
5.4.20.0100.05316.31
5.4.10.0170.05016.59
5.4.00.0100.04716.04
5.3.290.0100.05314.56
5.3.280.0070.05714.53
5.3.270.0170.07314.53
5.3.260.0300.05014.63
5.3.250.0130.05014.52
5.3.240.0130.07014.52
5.3.230.0200.06314.61
5.3.220.0100.07714.41
5.3.210.0100.06014.49
5.3.200.0270.03714.45
5.3.190.0170.04714.51
5.3.180.0230.03714.45
5.3.170.0170.04714.48
5.3.160.0230.03714.54
5.3.150.0200.04014.41
5.3.140.0200.06314.43
5.3.130.0170.05014.46
5.3.120.0200.04714.45
5.3.110.0300.03714.48
5.3.100.0070.05313.94
5.3.90.0030.06013.86
5.3.80.0100.06713.91
5.3.70.0100.05313.96
5.3.60.0170.04313.88
5.3.50.0100.06013.88
5.3.40.0100.05013.95
5.3.30.0270.04013.89
5.3.20.0130.04713.71
5.3.10.0170.06013.49
5.3.00.0130.04713.67
5.2.170.0100.04011.07
5.2.160.0030.04311.05
5.2.150.0100.04011.16
5.2.140.0130.03711.04
5.2.130.0030.04711.04
5.2.120.0100.03711.20
5.2.110.0100.03711.20
5.2.100.0200.03011.09
5.2.90.0170.03311.18
5.2.80.0070.04310.96
5.2.70.0130.03710.93
5.2.60.0070.04310.94
5.2.50.0130.03710.91
5.2.40.0070.04010.79
5.2.30.0130.03710.83
5.2.20.0070.04010.86
5.2.10.0170.03010.79
5.2.00.0070.04010.80
5.1.60.0130.02710.05
5.1.50.0070.0339.92
5.1.40.0070.0339.88
5.1.30.0100.03310.25
5.1.20.0030.04010.21
5.1.10.0030.0409.95
5.1.00.0130.0379.98
5.0.50.0030.0408.39
5.0.40.0100.0238.45
5.0.30.0030.0438.14
5.0.20.0030.0408.09
5.0.10.0130.0308.12
5.0.00.0030.0438.24
4.4.90.0000.0235.88
4.4.80.0030.0205.89
4.4.70.0030.0235.86
4.4.60.0030.0235.86
4.4.50.0000.0275.82
4.4.40.0000.0375.74
4.4.30.0000.0275.76
4.4.20.0030.0275.90
4.4.10.0070.0205.88
4.4.00.0030.0375.87
4.3.110.0130.0135.67
4.3.100.0030.0205.70
4.3.90.0000.0235.64
4.3.80.0000.0375.78
4.3.70.0070.0175.67
4.3.60.0030.0205.77
4.3.50.0070.0175.73
4.3.40.0000.0375.61
4.3.30.0030.0204.53
4.3.20.0000.0234.50
4.3.10.0000.0234.38
4.3.00.0030.0207.34

preferences:
156.72 ms | 1398 KiB | 7 Q