3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "foobar"; echo $str[-1];

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)
8.3.60.0150.00316.50
8.3.50.0070.01118.11
8.3.40.0060.00918.70
8.3.30.0070.00718.79
8.3.20.0030.00619.03
8.3.10.0070.00019.34
8.3.00.0070.00723.65
8.2.180.0140.00316.38
8.2.170.0110.00418.93
8.2.160.0070.00722.96
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00419.89
8.2.120.0030.00526.35
8.2.110.0060.00319.39
8.2.100.0080.00317.97
8.2.90.0040.00419.30
8.2.80.0090.00017.97
8.2.70.0040.00418.04
8.2.60.0050.00317.91
8.2.50.0000.00718.10
8.2.40.0040.00419.59
8.2.30.0000.00719.54
8.2.20.0000.00818.17
8.2.10.0000.00719.79
8.2.00.0000.00719.42
8.1.280.0150.00625.92
8.1.270.0040.00422.08
8.1.260.0080.00026.35
8.1.250.0060.00328.09
8.1.240.0030.00722.56
8.1.230.0090.00317.77
8.1.220.0060.00317.74
8.1.210.0080.00018.77
8.1.200.0050.00317.23
8.1.190.0090.00017.23
8.1.180.0030.00518.10
8.1.170.0000.00818.50
8.1.160.0070.00018.78
8.1.150.0040.00418.83
8.1.140.0000.00817.53
8.1.130.0080.00019.00
8.1.120.0070.00017.41
8.1.110.0040.00417.28
8.1.100.0060.00317.42
8.1.90.0000.01017.30
8.1.80.0040.00417.37
8.1.70.0060.00317.36
8.1.60.0040.00417.47
8.1.50.0060.00317.43
8.1.40.0040.00417.41
8.1.30.0040.00717.56
8.1.20.0000.00817.57
8.1.10.0050.00317.41
8.1.00.0030.00517.52
8.0.300.0060.00318.77
8.0.290.0060.00316.75
8.0.280.0030.00318.34
8.0.270.0000.00717.09
8.0.260.0000.00617.29
8.0.250.0000.00616.89
8.0.240.0030.00316.91
8.0.230.0000.00816.84
8.0.220.0000.00716.83
8.0.210.0030.00316.86
8.0.200.0070.00016.88
8.0.190.0040.00416.79
8.0.180.0030.00616.93
8.0.170.0040.00416.88
8.0.160.0040.00416.89
8.0.150.0000.00716.75
8.0.140.0050.00316.68
8.0.130.0000.00613.17
8.0.120.0070.00016.80
8.0.110.0000.00716.84
8.0.100.0040.00416.77
8.0.90.0000.00716.79
8.0.80.0070.01116.79
8.0.70.0000.00716.61
8.0.60.0070.00016.93
8.0.50.0040.00416.67
8.0.30.0110.00917.00
8.0.20.0100.00817.40
8.0.10.0000.00816.79
8.0.00.0120.00716.75
7.4.330.0000.00515.55
7.4.320.0060.00016.30
7.4.300.0040.00416.51
7.4.290.0020.00516.44
7.4.280.0000.00916.32
7.4.270.0040.00416.57
7.4.260.0030.00516.43
7.4.250.0070.00016.40
7.4.240.0040.00416.45
7.4.230.0030.00316.34
7.4.220.0000.00716.34
7.4.210.0110.00816.58
7.4.200.0030.00316.55
7.4.160.0110.00516.38
7.4.140.0100.00817.86
7.4.130.0100.00616.29
7.4.120.0110.00916.48
7.4.110.0120.00616.71
7.4.100.0060.01016.54
7.4.90.0000.01616.44
7.4.80.0100.01319.39
7.4.70.0070.01416.65
7.4.60.0060.01016.35
7.4.50.0030.01016.27
7.4.40.0060.01216.27
7.4.00.0100.00614.97
7.3.330.0030.00312.95
7.3.320.0000.00613.04
7.3.310.0000.00716.01
7.3.300.0030.00316.01
7.3.290.0000.00616.23
7.3.280.0100.00716.18
7.3.260.0070.01016.43
7.3.240.0090.01116.35
7.3.230.0160.00616.54
7.3.210.0090.01516.15
7.3.200.0060.01016.51
7.3.190.0070.01016.32
7.3.180.0060.01216.38
7.3.170.0080.00716.29
7.3.160.0060.01116.45
7.2.330.0170.00716.57
7.2.320.0090.00916.56
7.2.310.0110.00816.39
7.2.300.0100.00716.59
7.2.290.0100.00716.34
7.2.60.0060.00917.03
7.2.50.0030.01016.95
7.2.40.0000.01416.97
7.2.30.0090.00616.71
7.2.20.0070.00716.77
7.2.10.0030.01016.44
7.2.00.0100.00316.81
7.1.200.0040.00715.74
7.1.170.0050.00815.71
7.1.160.0100.00715.55
7.1.150.0130.00315.62
7.1.140.0060.00615.36
7.1.130.0060.00615.52
7.1.120.0070.00715.67
7.1.110.0080.00815.63
7.1.100.0130.00315.61
7.1.90.0030.00915.53
7.1.80.0060.00615.64
7.1.70.0030.00915.66
7.1.60.0170.01633.61
7.1.50.0310.01233.81
7.1.40.0130.02233.38
7.1.30.0280.00933.41
7.1.20.0300.01333.77
7.1.10.0060.01015.30
7.1.00.0100.00715.92

preferences:
50.08 ms | 401 KiB | 5 Q