3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = strlen("foo"); var_dump($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)
8.3.60.0140.00716.36
8.3.50.0070.00717.93
8.3.40.0060.00918.41
8.3.30.0120.00318.50
8.3.20.0000.00721.78
8.3.10.0040.00423.52
8.3.00.0080.00019.37
8.2.180.0140.00418.16
8.2.170.0090.00622.96
8.2.160.0030.01020.52
8.2.150.0040.00425.66
8.2.140.0040.00424.66
8.2.130.0000.00820.47
8.2.120.0080.00026.35
8.2.110.0090.00022.24
8.2.100.0040.00720.53
8.2.90.0070.00018.09
8.2.80.0000.00817.97
8.2.70.0040.00417.91
8.2.60.0030.00517.95
8.2.50.0060.00318.10
8.2.40.0000.00822.37
8.2.30.0030.00621.02
8.2.20.0040.00417.97
8.2.10.0050.00317.98
8.2.00.0000.00717.87
8.1.280.0120.00325.92
8.1.270.0000.00920.65
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0080.00023.92
8.1.230.0040.00719.03
8.1.220.0000.00917.74
8.1.210.0060.00318.77
8.1.200.0030.00717.23
8.1.190.0030.00517.23
8.1.180.0000.01018.10
8.1.170.0040.00418.59
8.1.160.0040.00419.06
8.1.150.0070.00018.73
8.1.140.0040.00419.50
8.1.130.0070.00020.55
8.1.120.0000.00717.43
8.1.110.0040.00417.24
8.1.100.0000.00717.36
8.1.90.0000.00717.37
8.1.80.0040.00417.30
8.1.70.0040.00417.34
8.1.60.0030.00617.52
8.1.50.0000.00717.44
8.1.40.0030.00617.46
8.1.30.0000.00817.59
8.1.20.0070.00017.48
8.1.10.0040.00417.30
8.1.00.0030.00917.41
8.0.300.0000.00719.69
8.0.290.0040.00416.63
8.0.280.0000.00718.25
8.0.270.0030.00317.14
8.0.260.0070.00018.72
8.0.250.0030.00316.79
8.0.240.0000.00716.85
8.0.230.0070.00016.91
8.0.220.0000.00816.79
8.0.210.0080.00016.80
8.0.200.0000.00616.89
8.0.190.0000.00816.91
8.0.180.0040.00416.73
8.0.170.0040.00416.84
8.0.160.0030.00516.91
8.0.150.0000.00816.82
8.0.140.0000.00716.64
8.0.130.0000.00513.26
8.0.120.0000.00716.80
8.0.110.0000.00816.71
8.0.100.0040.00416.84
8.0.90.0030.00316.86
8.0.80.0040.01216.88
8.0.70.0080.00016.77
8.0.60.0050.00316.81
8.0.50.0000.00716.76
8.0.30.0090.00917.01
8.0.20.0090.00917.40
8.0.10.0070.00016.77
8.0.00.0150.00316.81
7.4.330.0030.00315.55
7.4.320.0000.00616.44
7.4.300.0000.00616.55
7.4.290.0000.00716.57
7.4.280.0040.00416.32
7.4.270.0040.00416.38
7.4.260.0050.00516.52
7.4.250.0080.00016.53
7.4.240.0030.00316.52
7.4.230.0040.00416.55
7.4.220.0040.02116.56
7.4.210.0070.01016.61
7.4.200.0070.00016.59
7.4.160.0100.00616.29
7.4.150.0170.00017.40
7.4.140.0150.00317.86
7.4.130.0090.01216.52
7.4.120.0080.01016.32
7.4.110.0120.00616.49
7.4.100.0130.00616.25
7.4.90.0110.01216.46
7.4.80.0110.00719.39
7.4.70.0070.01116.34
7.4.60.0100.00616.36
7.4.50.0060.00616.58
7.4.40.0100.00716.23
7.4.30.0130.00416.28
7.4.00.0060.01014.89
7.3.330.0050.00012.98
7.3.320.0000.00513.00
7.3.310.0000.00616.05
7.3.300.0030.00316.11
7.3.290.0030.01116.11
7.3.280.0080.00916.11
7.3.270.0100.00717.40
7.3.260.0140.00616.13
7.3.250.0070.01116.10
7.3.240.0090.01016.32
7.3.230.0060.01016.23
7.3.210.0030.01316.49
7.3.200.0090.00916.47
7.3.190.0120.00816.48
7.3.180.0110.00516.21
7.3.170.0060.00916.46
7.3.160.0090.00616.45
7.3.120.0030.00714.34
7.3.110.0000.01014.81
7.3.100.0030.00914.56
7.3.90.0120.00014.89
7.3.80.0030.00614.64
7.3.70.0070.00314.63
7.3.60.0030.00814.52
7.3.50.0060.01014.71
7.3.40.0060.00614.46
7.3.30.0000.00914.83
7.3.20.0090.00316.46
7.3.10.0030.00716.67
7.3.00.0000.01016.16
7.2.330.0110.00716.24
7.2.320.0120.00316.11
7.2.310.0130.00316.41
7.2.300.0060.00916.45
7.2.290.0110.00616.29
7.2.240.0070.00714.82
7.2.230.0030.01314.88
7.2.220.0000.01215.06
7.2.210.0090.00614.73
7.2.200.0070.01014.70
7.2.190.0030.01014.93
7.2.180.0060.00914.52
7.2.170.0030.01014.79
7.2.160.0030.01014.74
7.2.150.0060.00916.41
7.2.140.0000.01416.68
7.2.130.0100.00616.50
7.2.120.0090.00316.48
7.2.110.0040.01116.74
7.2.100.0050.00516.68
7.2.90.0030.01016.71
7.2.80.0090.00616.68
7.2.70.0000.01116.68
7.2.60.0020.01216.79
7.2.50.0080.00716.62
7.2.40.0070.01116.89
7.2.30.0100.00316.79
7.2.20.0140.00316.42
7.2.10.0070.00416.53
7.2.00.0030.01316.63
7.1.330.0030.00715.43
7.1.320.0080.00315.76
7.1.310.0070.00315.77
7.1.300.0090.00315.45
7.1.290.0000.00815.64
7.1.280.0040.00415.64
7.1.270.0000.00915.68
7.1.260.0040.01115.70
7.1.250.0030.00715.60
7.1.200.0100.01015.80
7.1.70.0110.00416.98
7.1.60.0430.01033.24
7.1.50.0530.01332.99
7.1.40.0500.01332.63
7.1.30.0400.01732.32
7.1.20.0430.01032.64
7.1.10.0430.01014.75
7.1.00.0530.00714.59
7.0.200.0330.00314.86
7.0.190.0400.01314.74
7.0.180.0370.00714.21
7.0.170.0370.00714.35
7.0.160.0330.01314.26
7.0.150.0400.01314.48
7.0.140.2500.01014.33
7.0.130.0330.01314.54
7.0.120.0370.01314.86
7.0.110.0400.01014.61
7.0.100.0400.00314.34
7.0.90.0430.00314.64
7.0.80.0370.00714.63
7.0.70.0300.01014.35
7.0.60.0400.00714.14
7.0.50.0400.00714.29
7.0.40.0330.01014.50
7.0.30.0430.00314.76
7.0.20.0430.00314.52
7.0.10.0370.01014.62
7.0.00.0570.01014.63

preferences:
60.58 ms | 400 KiB | 5 Q