3v4l.org

run code in 300+ PHP versions simultaneously
<?php $f = 'strlen'; $s = 'hello'; $f($s);

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)
8.3.70.0100.00716.58
8.3.60.0110.00417.98
8.3.50.0000.01417.91
8.3.40.0030.01020.12
8.3.30.0040.01118.63
8.3.20.0000.00724.18
8.3.10.0040.00424.66
8.3.00.0040.00426.16
8.2.180.0100.00725.92
8.2.170.0100.01018.96
8.2.160.0070.01022.96
8.2.150.0040.00425.66
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0030.00519.23
8.2.110.0090.00320.96
8.2.100.0060.00617.71
8.2.90.0040.00419.09
8.2.80.0050.00317.97
8.2.70.0030.00517.50
8.2.60.0080.00317.68
8.2.50.0030.01018.07
8.2.40.0090.00017.90
8.2.30.0000.00717.83
8.2.20.0070.00018.03
8.2.10.0040.00419.22
8.2.00.0070.00019.17
8.1.280.0090.00625.92
8.1.270.0040.00423.99
8.1.260.0000.00826.35
8.1.250.0060.00328.09
8.1.240.0030.00622.62
8.1.230.0080.00417.71
8.1.220.0070.00317.74
8.1.210.0000.00818.77
8.1.200.0050.00317.22
8.1.190.0040.00416.97
8.1.180.0000.00818.10
8.1.170.0040.00718.56
8.1.160.0000.00718.81
8.1.150.0050.00218.86
8.1.140.0070.00020.54
8.1.130.0030.00320.19
8.1.120.0040.00417.47
8.1.110.0030.00317.39
8.1.100.0030.00817.26
8.1.90.0060.00317.34
8.1.80.0070.00017.42
8.1.70.0000.00717.30
8.1.60.0040.00417.52
8.1.50.0000.00817.36
8.1.40.0080.00317.27
8.1.30.0040.00417.49
8.1.20.0000.00817.47
8.1.10.0040.00417.37
8.1.00.0030.00717.34
8.0.300.0040.00418.77
8.0.290.0000.00816.58
8.0.280.0030.00318.33
8.0.270.0030.00317.92
8.0.260.0060.00018.54
8.0.250.0030.00316.91
8.0.240.0000.00716.87
8.0.230.0000.00716.91
8.0.220.0050.00216.82
8.0.210.0030.00316.85
8.0.200.0030.00316.88
8.0.190.0000.00716.88
8.0.180.0040.00316.85
8.0.170.0070.00316.84
8.0.160.0000.00816.83
8.0.150.0040.00316.64
8.0.140.0040.00416.69
8.0.130.0090.00013.25
8.0.120.0050.00316.81
8.0.110.0060.00316.67
8.0.100.0000.00816.76
8.0.90.0030.00516.82
8.0.80.0090.00816.77
8.0.70.0130.01016.75
8.0.60.0120.00416.63
8.0.50.0060.01016.77
8.0.30.0090.00616.77
8.0.20.0100.00716.80
8.0.10.0040.01116.82
8.0.00.0090.00616.87
7.4.330.0040.00015.55
7.4.320.0030.00316.54
7.4.300.0070.00016.48
7.4.290.0030.00316.46
7.4.280.0050.00516.40
7.4.270.0040.00416.55
7.4.260.0000.00613.16
7.4.250.0040.00416.47
7.4.240.0050.00316.42
7.4.230.0070.00016.32
7.4.220.0000.00716.50
7.4.210.0060.00716.42
7.4.200.0140.00016.44
7.4.190.0100.01016.68
7.4.180.0070.00716.48
7.4.160.0150.00016.46
7.4.150.0070.00716.40
7.4.140.0130.00316.27
7.4.130.0100.00516.28
7.4.120.0040.01116.35
7.4.110.0070.00716.25
7.4.100.0030.01016.53
7.4.90.0030.01116.33
7.4.80.0120.00316.25
7.4.70.0080.00816.29
7.4.60.0040.01116.19
7.4.50.0140.00016.28
7.4.40.0040.01116.32
7.4.30.0090.00616.34
7.4.20.0150.00016.30
7.4.10.0120.00616.41
7.4.00.0070.00716.47
7.3.330.0000.00716.09
7.3.320.0000.00613.11
7.3.310.0030.00315.99
7.3.300.0030.00315.93
7.3.290.0040.01016.13
7.3.280.0090.00616.08
7.3.270.0110.00316.14
7.3.260.0080.00816.21
7.3.250.0030.01016.15
7.3.240.0100.00316.07
7.3.230.0060.00916.22
7.3.220.0110.00416.06
7.3.210.0040.01016.09
7.3.200.0030.01216.17
7.3.190.0030.01016.04
7.3.180.0150.00016.11
7.3.170.0150.00316.04
7.3.160.0060.01216.04
7.3.150.0110.00716.00
7.3.140.0030.01016.03
7.3.130.0120.00316.08
7.3.120.0120.00316.05
7.3.110.0040.01115.95
7.3.100.0070.00716.04
7.3.90.0030.01216.31
7.3.80.0070.00716.04
7.3.70.0030.01016.14
7.3.60.0120.00616.18
7.3.50.0100.00316.17
7.3.40.0130.00016.27
7.3.30.0030.01016.27
7.3.20.0070.00716.25
7.3.10.0080.01216.19
7.3.00.0070.01316.23

preferences:
69.82 ms | 401 KiB | 5 Q