3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo 'string' === null;

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)
8.3.60.0040.01118.43
8.3.50.0070.00718.08
8.3.40.0160.00618.86
8.3.30.0040.01118.54
8.3.20.0040.00418.85
8.3.10.0040.00421.77
8.3.00.0000.00823.66
8.2.180.0160.00016.50
8.2.170.0090.01222.96
8.2.160.0100.00719.34
8.2.150.0040.00424.18
8.2.140.0000.00724.66
8.2.130.0070.00020.57
8.2.120.0080.00026.35
8.2.110.0060.00319.31
8.2.100.0090.00319.45
8.2.90.0040.00419.09
8.2.80.0050.00317.97
8.2.70.0030.00617.50
8.2.60.0040.00717.80
8.2.50.0000.00818.07
8.2.40.0040.00418.22
8.2.30.0050.00217.92
8.2.20.0030.00517.92
8.2.10.0040.00418.02
8.2.00.0040.00419.16
8.1.280.0110.00725.92
8.1.270.0070.00020.29
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0030.00622.66
8.1.230.0110.00018.75
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0110.00017.23
8.1.190.0040.00417.10
8.1.180.0050.00318.10
8.1.170.0050.00318.66
8.1.160.0000.00718.74
8.1.150.0030.00618.80
8.1.140.0070.00017.61
8.1.130.0030.00318.86
8.1.120.0030.00317.33
8.1.110.0050.00317.31
8.1.100.0080.00017.23
8.1.90.0000.00817.22
8.1.80.0050.00317.27
8.1.70.0000.00717.32
8.1.60.0000.00817.51
8.1.50.0040.00417.39
8.1.40.0040.00417.25
8.1.30.0000.00817.38
8.1.20.0000.00717.44
8.1.10.0000.00817.41
8.1.00.0060.00317.40
8.0.300.0070.00018.77
8.0.290.0000.00716.58
8.0.280.0000.00718.38
8.0.270.0000.00717.11
8.0.260.0040.00417.09
8.0.250.0040.00316.86
8.0.240.0000.00816.68
8.0.230.0040.00416.81
8.0.220.0030.00716.79
8.0.210.0000.00716.68
8.0.200.0030.00316.70
8.0.190.0040.00416.82
8.0.180.0030.00616.77
8.0.170.0030.00616.66
8.0.160.0030.00316.65
8.0.150.0040.00416.77
8.0.140.0030.00316.60
8.0.130.0050.00013.15
8.0.120.0040.00416.69
8.0.110.0000.00816.77
8.0.100.0040.00416.71
8.0.90.0050.00316.63
8.0.80.0100.00716.75
8.0.70.0000.00716.75
8.0.60.0000.00816.71
8.0.50.0040.00416.85
8.0.30.0120.00516.98
8.0.20.0100.01217.40
8.0.10.0040.00416.84
8.0.00.0130.00816.57
7.4.330.0000.00415.55
7.4.320.0000.00616.47
7.4.300.0030.00316.37
7.4.290.0030.00316.35
7.4.280.0000.00716.46
7.4.270.0030.00316.27
7.4.260.0000.00716.42
7.4.250.0000.00716.23
7.4.240.0030.00316.38
7.4.230.0040.00416.48
7.4.220.0030.00516.45
7.4.210.0030.01516.45
7.4.200.0000.00716.25
7.4.160.0120.00616.42
7.4.140.0080.01117.86
7.4.130.0110.00516.42
7.4.120.0090.00916.37
7.4.110.0110.00516.42
7.4.100.0100.00716.34
7.4.90.0110.00616.21
7.4.80.0070.01119.39
7.4.70.0060.01016.43
7.4.60.0060.00916.35
7.4.50.0080.00316.12
7.4.40.0100.00616.30
7.4.00.0080.00815.02
7.3.330.0020.00212.89
7.3.320.0060.00012.97
7.3.310.0000.00716.12
7.3.300.0030.00315.98
7.3.290.0030.00316.07
7.3.280.0110.00416.10
7.3.260.0090.00816.25
7.3.240.0100.00716.30
7.3.230.0080.00916.34
7.3.210.0100.00716.01
7.3.200.0060.00916.21
7.3.190.0130.00616.40
7.3.180.0120.00916.00
7.3.170.0070.01716.05
7.3.160.0120.00416.36
7.2.330.0040.01916.50
7.2.320.0130.01016.48
7.2.310.0060.01916.45
7.2.300.0070.01016.40
7.2.290.0110.00816.28
7.2.70.1100.00314.78
7.2.60.0790.01014.85
7.2.50.0740.00714.81
7.2.40.0770.01014.72
7.2.30.0690.00714.72
7.2.20.0620.00714.57
7.2.10.0980.00814.68
7.2.00.0530.00914.82
7.1.200.0090.00615.70
7.1.170.0860.00613.61
7.1.160.0880.00713.50
7.1.150.0840.00513.66
7.1.140.0640.00613.71
7.1.130.0760.00913.62
7.1.120.0820.00813.31
7.1.110.0670.00813.43
7.1.100.0520.00913.64
7.1.90.1100.00413.13
7.1.80.1000.00813.23
7.1.70.0980.00813.47
7.1.60.1170.00931.76
7.1.50.1410.00931.63
7.1.40.1240.01131.68
7.1.30.1110.01331.67
7.1.20.1290.01031.54
7.1.10.1270.00513.43
7.1.00.1040.00313.61

preferences:
63.14 ms | 400 KiB | 5 Q