3v4l.org

run code in 300+ PHP versions simultaneously
<?php define( 'EMPTY', ''); var_dump( defined( 'EMPTY' ) ); var_dump( empty( EMPTY ) );

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)
5.6.90.0030.04320.96
5.6.80.0000.08020.37
5.5.250.0100.05320.65
5.5.240.0030.07720.16
5.4.410.0100.05318.97
5.4.400.0070.05718.82
5.4.390.0130.07018.72
5.4.380.0070.05718.76
5.4.370.0170.04718.86
5.4.360.0100.05018.61
5.4.350.0070.06018.56
5.4.340.0200.04018.63
5.4.320.0070.05718.74
5.4.310.0030.06018.52
5.4.300.0200.06318.81
5.4.290.0030.05718.75
5.4.280.0100.06018.74
5.4.270.0100.06718.69
5.4.260.0070.07718.80
5.4.250.0100.05318.61
5.4.240.0070.06018.74
5.4.230.0330.05018.74
5.4.220.0100.06318.60
5.4.210.0100.05318.74
5.4.200.0100.05016.64
5.4.190.0130.05318.73
5.4.180.0100.06318.66
5.4.170.0070.07018.70
5.4.160.0100.05318.76
5.4.150.0100.06718.57
5.4.140.0000.07316.45
5.4.130.0100.05016.30
5.4.120.0200.06016.32
5.4.110.0100.05716.17
5.4.100.0130.04716.27
5.4.90.0130.05316.25
5.4.80.0030.05316.23
5.4.70.0100.05316.25
5.4.60.0070.05716.16
5.4.50.0070.05316.39
5.4.40.0130.06016.39
5.4.30.0030.05716.22
5.4.20.0100.05016.29
5.4.10.0130.04716.13
5.4.00.0130.04315.89
5.3.290.0070.05714.66
5.3.280.0230.04314.51
5.3.270.0230.04014.71
5.3.260.0100.06014.50
5.3.250.0070.08714.50
5.3.240.0130.05714.50
5.3.230.0130.05314.55
5.3.220.0100.05314.60
5.3.210.0170.05314.57
5.3.200.0100.06714.52
5.3.190.0030.06014.64
5.3.180.0100.05014.54
5.3.170.0100.05314.66
5.3.160.0100.04714.63
5.3.150.0170.05014.64
5.3.140.0100.05314.67
5.3.130.0100.06314.60
5.3.120.0070.06014.46
5.3.110.0170.05014.54
5.3.100.0100.05013.99
5.3.90.0000.06313.91
5.3.80.0130.04713.95
5.3.70.0100.05313.95
5.3.60.0200.04313.95
5.3.50.0030.06313.93
5.3.40.0100.06013.97
5.3.30.0100.05713.86
5.3.20.0070.05013.78
5.3.10.0100.04713.60
5.3.00.0130.06313.64
5.2.170.0100.04011.28
5.2.160.0030.05011.12
5.2.150.0170.03311.17
5.2.140.0170.04011.17
5.2.130.0100.03711.05
5.2.120.0030.04311.04
5.2.110.0130.03311.16
5.2.100.0070.04311.16
5.2.90.0100.03711.13
5.2.80.0030.05011.07
5.2.70.0000.04711.15
5.2.60.0100.04311.08
5.2.50.0070.04711.05
5.2.40.0130.04010.93
5.2.30.0070.04310.96
5.2.20.0100.04310.88
5.2.10.0100.03710.83
5.2.00.0030.04310.83
5.1.60.0030.04010.03
5.1.50.0030.0379.95
5.1.40.0200.02310.04
5.1.30.0070.04010.39
5.1.20.0130.03010.41
5.1.10.0100.03710.14
5.1.00.0030.04310.20
5.0.50.0000.0378.64
5.0.40.0030.0308.48
5.0.30.0170.0338.20
5.0.20.0030.0308.30
5.0.10.0070.0278.20
5.0.00.0030.0438.24
4.4.90.0030.0205.94
4.4.80.0000.0275.93
4.4.70.0070.0235.88
4.4.60.0070.0235.90
4.4.50.0030.0235.90
4.4.40.0000.0475.87
4.4.30.0030.0235.91
4.4.20.0070.0205.92
4.4.10.0100.0175.95
4.4.00.0030.0405.90
4.3.110.0100.0175.84
4.3.100.0030.0205.81
4.3.90.0070.0175.86
4.3.80.0100.0305.83
4.3.70.0100.0135.82
4.3.60.0030.0235.91
4.3.50.0070.0275.79
4.3.40.0070.0335.78
4.3.30.0000.0274.68
4.3.20.0100.0204.66
4.3.10.0000.0234.52
4.3.00.0030.01315.70

preferences:
163.46 ms | 1005 KiB | 7 Q