3v4l.org

run code in 300+ PHP versions simultaneously
<?php $literal = 'p'; $ord = ord('o'); $chr = chr($ord+1); var_dump($chr, is_literal($chr));

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)
8.5.20.0110.00619.57
8.5.10.0100.00917.01
8.5.00.0120.00820.12
8.4.170.0050.00621.96
8.4.160.0100.01123.76
8.4.150.0020.00114.05
8.4.140.0140.01017.90
8.4.130.0060.00318.00
8.4.120.0060.00320.43
8.4.110.0110.01018.74
8.4.100.0110.01017.97
8.4.90.0110.00617.87
8.4.80.0090.01421.48
8.4.70.0130.00717.89
8.4.60.0110.00719.55
8.4.50.0130.00617.78
8.4.40.0070.00317.82
8.4.30.0160.00318.77
8.4.20.0040.00718.87
8.4.10.0060.00320.45
8.3.300.0110.01120.69
8.3.290.0100.01020.84
8.3.280.0020.00014.05
8.3.270.0140.00816.50
8.3.260.0120.00916.86
8.3.250.0100.00816.90
8.3.240.0110.00816.48
8.3.230.0050.00516.55
8.3.220.0120.00717.00
8.3.210.0080.01016.65
8.3.200.0140.00416.44
8.3.190.0120.01017.26
8.3.180.0140.00418.20
8.3.170.0100.01016.73
8.3.160.0170.00017.01
8.3.150.0120.00616.87
8.3.140.0040.00416.41
8.3.130.0100.00018.29
8.3.120.0120.00320.61
8.3.110.0030.00516.63
8.3.100.0060.00324.06
8.3.90.0160.00326.77
8.3.80.0070.00318.18
8.3.70.0140.00718.27
8.3.60.0120.01218.30
8.3.50.0140.00418.17
8.3.40.0070.00718.68
8.3.30.0040.01118.59
8.3.20.0000.00724.18
8.3.10.0080.00024.66
8.3.00.0080.00026.16
8.2.300.0110.00918.18
8.2.290.0130.00618.70
8.2.280.0100.00918.55
8.2.270.0130.00617.18
8.2.260.0180.00316.69
8.2.250.0070.01018.65
8.2.240.0040.00417.27
8.2.230.0000.01120.94
8.2.220.0090.00637.54
8.2.210.0070.01026.77
8.2.200.0060.00316.63
8.2.190.0150.00716.88
8.2.180.0080.00825.92
8.2.170.0170.00018.95
8.2.160.0160.00022.96
8.2.150.0050.00325.66
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00421.06
8.2.110.0060.00320.54
8.2.100.0060.00320.56
8.1.340.0100.01117.80
8.1.330.0090.01016.28
8.1.320.0060.00516.49
8.1.310.0140.00316.76
8.1.300.0090.00920.26
8.1.290.0050.00530.84
8.1.280.0070.00725.92
8.1.270.0040.00423.99
8.1.260.0060.00326.35
8.1.250.0000.00828.09
8.1.240.0090.00020.70
8.1.230.0060.00320.52

preferences:
29.89 ms | 403 KiB | 5 Q