3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(); var_dump(null === in_array('s', array_keys($a));

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)
5.4.320.3570.03019.16
5.4.310.3200.03719.22
5.4.300.4030.03719.05
5.4.290.4100.03019.06
5.4.280.4130.04019.22
5.4.270.4030.04019.16
5.4.260.4000.04019.21
5.4.250.3400.03719.14
5.4.240.3200.03319.13
5.4.230.3470.04019.13
5.4.220.3600.03718.94
5.4.210.3430.04019.15
5.4.200.3230.03719.13
5.4.190.3470.03719.05
5.4.180.4100.04019.10
5.4.170.3200.04319.22
5.4.160.3230.04018.93
5.4.150.3130.04319.06
5.4.140.3200.03316.60
5.4.130.3370.04016.35
5.4.120.3430.03716.33
5.4.110.3500.03716.37
5.4.100.3230.03316.56
5.4.90.3530.03716.58
5.4.80.3470.04016.43
5.4.70.3600.03016.57
5.4.60.3670.03316.34
5.4.50.3530.03316.31
5.4.40.4300.02016.43
5.4.30.3470.03716.43
5.4.20.3130.04016.50
5.4.10.3470.03716.52
5.4.00.3570.03315.86
5.3.290.3500.03714.51
5.3.280.3430.04314.61
5.3.270.3630.03314.48
5.3.260.3470.03714.50
5.3.250.3230.03314.48
5.3.240.3370.03714.55
5.3.230.3570.03014.58
5.3.220.3500.03314.44
5.3.210.3370.04014.43
5.3.200.3800.03314.45
5.3.190.3300.03314.66
5.3.180.3300.03314.52
5.3.170.3030.03714.56
5.3.160.3570.04314.44
5.3.150.3430.03314.47
5.3.140.3300.03014.51
5.3.130.3470.03714.39
5.3.120.3430.04014.49
5.3.110.3300.03714.43
5.3.100.3300.03313.98
5.3.90.3170.03313.86
5.3.80.3270.04013.89
5.3.70.3300.03314.13
5.3.60.3070.03713.80
5.3.50.4130.03713.85
5.3.40.3200.03313.91
5.3.30.3400.03713.79
5.3.20.3630.03313.47
5.3.10.3770.03713.46
5.3.00.3800.03313.59
5.2.170.2970.02711.00
5.2.160.3370.02710.98
5.2.150.2600.02711.17
5.2.140.3330.02311.00
5.2.130.3470.03711.25
5.2.120.3500.03011.12
5.2.110.3500.03311.15
5.2.100.3330.03310.99
5.2.90.3530.02310.96
5.2.80.3130.03010.91
5.2.70.3530.02311.11
5.2.60.2870.03710.95
5.2.50.2930.03011.06
5.2.40.2470.02310.93
5.2.30.2370.03710.88
5.2.20.2300.02310.82
5.2.10.2130.03010.78
5.2.00.2470.02710.71
5.1.60.2300.02710.58
5.1.50.2370.02710.58
5.1.40.2170.02710.58
5.1.30.2730.02710.58
5.1.20.2870.02710.58
5.1.10.2900.02310.58
5.1.00.2430.03010.58
5.0.50.1570.02310.58
5.0.40.1270.02010.58
5.0.30.1470.03010.58
5.0.20.1570.02310.58
5.0.10.1570.02310.58
5.0.00.1600.03010.58
4.4.90.1670.01010.58
4.4.80.1270.01710.58
4.4.70.1600.01710.58
4.4.60.1600.01310.58
4.4.50.1470.01310.58
4.4.40.1500.02010.58
4.4.30.1570.01310.58
4.4.20.1600.01710.58
4.4.10.1400.01310.58
4.4.00.1470.02710.58
4.3.110.1100.01310.58
4.3.100.1370.01710.58
4.3.90.1100.01310.58
4.3.80.1070.02310.58
4.3.70.1300.01710.58
4.3.60.1070.01310.58
4.3.50.1330.01710.58
4.3.40.1270.03310.58
4.3.30.0530.01310.58
4.3.20.0530.01710.58
4.3.10.0500.01710.58
4.3.00.0570.01010.58

preferences:
145.22 ms | 1394 KiB | 7 Q