3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'foo'; echo $a[0];

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)
8.5.20.0100.00820.02
8.5.10.0100.00716.74
8.5.00.0120.00822.98
8.4.170.0120.01023.94
8.4.160.0080.00222.00
8.4.150.0080.00516.84
8.4.140.0120.00917.67
8.4.130.0410.00717.80
8.4.120.0410.01017.86
8.4.110.0430.00817.60
8.4.100.0430.00817.70
8.4.90.0430.00817.99
8.4.80.0350.01017.09
8.4.70.0410.00817.98
8.4.60.0410.01017.30
8.4.50.0390.00717.75
8.4.40.0500.01017.60
8.4.30.0230.00517.25
8.4.20.0240.00317.79
8.4.10.0310.00717.44
8.3.300.0100.01020.70
8.3.290.0170.00520.82
8.3.280.0020.00114.05
8.3.270.0100.00916.38
8.3.260.0050.00516.32
8.3.250.0170.00516.32
8.3.240.0190.00316.58
8.3.230.0430.00816.35
8.3.220.0420.00716.42
8.3.210.0390.00616.55
8.3.200.0360.00716.34
8.3.190.0370.01016.29
8.3.180.0400.00716.43
8.3.170.0480.00416.33
8.3.160.0400.00616.26
8.3.150.0390.00916.23
8.3.140.0340.01216.54
8.3.130.0210.00516.37
8.3.120.0350.00816.14
8.3.110.0120.00916.36
8.3.100.0280.01316.17
8.3.90.0420.00916.52
8.3.80.0310.00716.44
8.3.70.0190.00316.56
8.3.60.0450.00716.23
8.3.50.0460.00616.27
8.3.40.0280.00417.41
8.3.30.0340.00717.44
8.3.20.0310.00817.48
8.3.10.0310.00717.56
8.3.00.0220.00917.40
8.2.300.0090.01020.32
8.2.290.0360.00716.41
8.2.280.0230.00516.41
8.2.270.0300.01116.77
8.2.260.0310.01016.66
8.2.250.0310.00916.40
8.2.240.0260.01216.59
8.2.230.0350.00716.39
8.2.220.0310.00816.39
8.2.210.0330.01016.17
8.2.200.0370.00516.45
8.2.190.0370.00716.24
8.2.180.0330.00916.62
8.2.170.0370.01017.64
8.2.160.0350.01117.61
8.2.150.0350.01317.44
8.2.140.0330.01017.46
8.2.130.0280.00417.54
8.2.120.0170.00317.46
8.2.110.0220.00417.50
8.2.100.0160.00517.60
8.2.90.0170.00417.65
8.2.80.0320.00617.19
8.2.70.0340.00917.52
8.2.60.0370.00817.24
8.2.50.0360.00817.40
8.2.40.0400.01217.68
8.2.30.0330.00817.44
8.2.20.0350.01117.47
8.2.10.0310.00317.43
8.2.00.0280.00417.62
8.1.340.0110.00721.59

preferences:
48.56 ms | 403 KiB | 5 Q