3v4l.org

run code in 300+ PHP versions simultaneously
<?php $Z="0"; echo strlen($Z);

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)
8.3.70.0110.00418.55
8.3.60.0110.00418.31
8.3.50.0130.00718.18
8.3.40.0110.00718.71
8.3.30.0160.00018.60
8.3.20.0030.00618.89
8.3.10.0050.00221.68
8.3.00.0040.00423.48
8.2.180.0040.01118.29
8.2.170.0120.00322.96
8.2.160.0100.01018.91
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0050.00219.77
8.2.120.0040.00426.35
8.2.110.0070.01521.18
8.2.100.0110.00017.91
8.2.90.0060.00317.63
8.2.80.0060.00317.97
8.2.70.0050.00318.04
8.2.60.0040.00418.03
8.2.50.0040.00418.10
8.2.40.0040.00419.41
8.2.30.0030.00519.23
8.2.20.0000.01018.13
8.2.10.0060.00319.47
8.2.00.0070.00019.46
8.1.280.0120.00625.92
8.1.270.0040.00421.80
8.1.260.0100.00326.35
8.1.250.0030.00528.09
8.1.240.0030.00622.61
8.1.230.0100.00021.02
8.1.220.0080.00018.77
8.1.210.0000.00818.77
8.1.200.0060.00317.23
8.1.190.0000.00817.00
8.1.180.0040.00418.10
8.1.170.0070.00018.75
8.1.160.0070.00318.86
8.1.150.0000.00718.93
8.1.140.0050.00219.27
8.1.130.0050.00318.92
8.1.120.0030.00617.28
8.1.110.0030.00717.24
8.1.100.0030.00517.32
8.1.90.0050.00217.39
8.1.80.0030.00517.41
8.1.70.0030.00317.36
8.1.60.0040.00917.46
8.1.50.0060.00317.43
8.1.40.0000.00717.42
8.1.30.0030.00517.52
8.1.20.0040.00417.57
8.1.10.0000.00817.53
8.1.00.0030.00517.48
8.0.300.0050.00219.81
8.0.290.0040.00416.58
8.0.280.0070.00018.52
8.0.270.0030.00317.17
8.0.260.0000.00617.21
8.0.250.0070.00016.89
8.0.240.0030.00316.93
8.0.230.0070.00016.84
8.0.220.0020.00516.75
8.0.210.0000.00716.85
8.0.200.0000.00816.79
8.0.190.0000.00716.76
8.0.180.0050.00316.88
8.0.170.0060.00316.82
8.0.160.0000.00816.71
8.0.150.0070.00016.68
8.0.140.0030.00316.73
8.0.130.0030.00313.33
8.0.120.0050.00316.79
8.0.110.0070.00016.72
8.0.100.0000.00716.62
8.0.90.0000.00716.67
8.0.80.0130.00816.76
8.0.70.0050.00216.80
8.0.60.0000.00816.64
8.0.50.0040.00416.77
8.0.30.0070.01216.96
8.0.20.0120.01117.40
8.0.10.0070.00016.81
8.0.00.0030.01416.69
7.4.330.0050.00015.55
7.4.320.0060.00016.51
7.4.300.0060.00016.44
7.4.290.0030.00316.52
7.4.280.0030.00516.34
7.4.270.0050.00316.45
7.4.260.0040.00416.51
7.4.250.0000.00816.54
7.4.240.0000.00716.33
7.4.230.0030.00316.25
7.4.220.0030.00416.23
7.4.210.0080.00916.51
7.4.200.0020.00516.43
7.4.160.0110.00716.45
7.4.140.0110.01117.86
7.4.130.0080.01116.51
7.4.120.0100.01016.42
7.4.110.0130.00616.30
7.4.100.0130.00316.54
7.4.90.0150.00316.46
7.4.80.0070.01019.39
7.4.70.0060.01616.42
7.4.60.0120.00616.52
7.4.50.0040.01516.58
7.4.40.0120.00616.24
7.4.00.0080.00314.76
7.3.330.0070.00013.17
7.3.320.0050.00012.94
7.3.310.0000.00716.27
7.3.300.0030.00316.19
7.3.290.0040.00416.14
7.3.280.0000.01416.21
7.3.260.0080.01016.49
7.3.240.0100.01016.26
7.3.230.0060.01516.44
7.3.210.0100.01016.53
7.3.200.0160.00016.43
7.3.190.0090.00616.22
7.3.180.0110.00416.63
7.3.170.0030.01316.27
7.3.160.0030.01416.27
7.3.10.0070.00716.44
7.3.00.0060.00616.39
7.2.330.0090.00916.32
7.2.320.0110.01116.49
7.2.310.0120.00616.42
7.2.300.0140.00516.45
7.2.290.0070.01316.39
7.2.130.0030.00916.67
7.2.120.0040.01116.54
7.2.110.0000.01216.65
7.2.100.0130.00616.90
7.2.90.0090.00616.71
7.2.80.0120.00917.02
7.2.70.0070.01115.67
7.2.60.0060.01015.95
7.2.50.0140.00815.81
7.2.40.0100.00515.64
7.2.30.0090.00715.73
7.2.20.0090.00815.62
7.2.10.0140.00515.83
7.2.00.0140.01015.85
7.1.250.0070.00715.55
7.1.200.0070.00315.42
7.1.170.0140.00813.90
7.1.160.0140.00713.97
7.1.150.0140.00613.62
7.1.140.0170.00313.75
7.1.130.0150.01513.95
7.1.120.0250.00913.82
7.1.110.0220.00613.78
7.1.100.0140.01114.05
7.1.90.0190.00313.79
7.1.80.0100.01313.82
7.1.70.0150.00613.65
7.1.60.0460.00031.92
7.1.50.0430.01031.85
7.1.40.1260.01331.94
7.1.30.0420.01331.74
7.1.20.0350.01931.91
7.1.10.0130.00713.83
7.1.00.0180.01113.59

preferences:
47.27 ms | 401 KiB | 5 Q