3v4l.org

run code in 300+ PHP versions simultaneously
<?php $text1 = "prefix:"; $text2 = "prefix: The quick brown fox"; var_dump(substr($text1, 8)); var_dump(substr($text2, 8));

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)
8.4.120.0120.00720.29
8.4.110.0110.00822.40
8.4.100.0100.01117.39
8.4.90.0110.00718.52
8.4.80.0130.00719.28
8.4.70.0050.00317.82
8.4.60.0030.00521.99
8.4.50.0070.00618.20
8.4.40.0100.00617.51
8.4.30.0160.00320.52
8.4.20.0150.00617.71
8.4.10.0030.00520.72
8.3.250.0080.00818.86
8.3.240.0110.00916.39
8.3.230.0090.01016.49
8.3.220.0130.00517.09
8.3.210.0050.00318.41
8.3.200.0050.00316.30
8.3.190.0060.00416.96
8.3.180.0080.01016.22
8.3.170.0040.01518.75
8.3.160.0110.00617.06
8.3.150.0090.00617.23
8.3.140.0090.00916.32
8.3.130.0060.00316.66
8.3.120.0000.00818.97
8.3.110.0060.00320.94
8.3.100.0120.00324.06
8.3.90.0100.01026.77
8.3.80.0030.00619.36
8.3.70.0120.00416.63
8.3.60.0110.00318.31
8.3.50.0070.00623.54
8.3.40.0180.00022.04
8.3.30.0150.00018.41
8.3.20.0050.00324.18
8.3.10.0070.00024.66
8.3.00.0060.00326.16
8.2.290.0050.00820.26
8.2.280.0110.00819.89
8.2.270.0110.00717.44
8.2.260.0150.00018.30
8.2.250.0110.00416.66
8.2.240.0070.00718.95
8.2.230.0160.00322.58
8.2.220.0030.00637.54
8.2.210.0160.00326.77
8.2.200.0070.00416.50
8.2.190.0110.00718.55
8.2.180.0110.00725.92
8.2.170.0120.00918.88
8.2.160.0090.00622.96
8.2.150.0080.00425.66
8.2.140.0000.00724.66
8.2.130.0040.00426.16
8.2.120.0000.00726.35
8.2.110.0100.00022.03
8.2.100.0030.00817.72
8.2.90.0050.00317.72
8.2.80.0040.00419.07
8.2.70.0050.00317.63
8.2.60.0000.00817.25
8.2.50.0000.00918.05
8.2.40.0040.00718.16
8.2.30.0000.00717.99
8.2.20.0000.00717.98
8.2.10.0050.00319.18
8.2.00.0040.00419.24
8.1.330.0040.00521.77
8.1.320.0110.00416.19
8.1.310.0030.00618.50
8.1.300.0040.00416.68
8.1.290.0090.00018.88
8.1.280.0110.01125.92
8.1.270.0050.00323.99
8.1.260.0030.00728.09
8.1.250.0070.00028.09
8.1.240.0000.00923.80
8.1.230.0000.01221.03
8.1.220.0080.00017.74
8.1.210.0050.00318.77
8.1.200.0080.00017.23
8.1.190.0000.00817.22
8.1.180.0040.00418.10
8.1.170.0060.00318.58
8.1.160.0040.00418.73
8.1.150.0030.00318.74
8.1.140.0070.00018.73
8.1.130.0030.00320.08
8.1.120.0050.00217.29
8.1.110.0090.00017.34
8.1.100.0080.00017.44
8.1.90.0040.00417.28
8.1.80.0040.00417.37
8.1.70.0000.00717.31
8.1.60.0040.00417.53
8.1.50.0000.00717.45
8.1.40.0040.00417.34
8.1.30.0000.01117.61
8.1.20.0000.00717.56
8.1.10.0080.00017.45
8.1.00.0040.00717.41
8.0.300.0000.00720.07
8.0.290.0020.00516.63
8.0.280.0040.00420.19
8.0.270.0000.00717.84
8.0.260.0060.00018.30
8.0.250.0030.00316.93
8.0.240.0040.00416.93
8.0.230.0000.00716.89
8.0.220.0030.00316.84
8.0.210.0000.00716.79
8.0.200.0000.00716.85
8.0.190.0000.00716.89
8.0.180.0050.00216.82
8.0.170.0030.00616.73
8.0.160.0040.00416.76
8.0.150.0060.00316.73
8.0.140.0040.00416.77
8.0.130.0000.00513.25
8.0.120.0000.00816.74
8.0.110.0000.00816.68
8.0.100.0040.00416.70
8.0.90.0030.00316.89
8.0.80.0100.00616.81
8.0.70.0070.00016.81
8.0.60.0080.00016.69
8.0.50.0050.00216.62
8.0.30.0090.00917.08
8.0.20.0100.00816.99
8.0.10.0000.00716.95
8.0.00.0040.01516.57
7.4.330.0020.00215.55
7.4.320.0000.00716.44
7.4.300.0060.00016.46
7.4.290.0030.00316.51
7.4.280.0050.00316.38
7.4.270.0070.00016.43
7.4.260.0060.00013.22
7.4.250.0030.00316.54
7.4.240.0050.00216.50
7.4.230.0070.00016.65
7.4.220.0040.00416.44
7.4.210.0070.00716.51
7.4.200.0030.00316.61
7.4.130.0140.00516.56
7.4.120.0030.01316.34
7.4.110.0130.00316.03
7.4.100.0110.00716.31
7.4.90.0070.01016.37
7.4.80.0060.01916.33
7.4.70.0110.00816.43
7.4.60.0120.00616.47
7.4.50.0170.00016.24
7.4.40.0120.00316.19
7.4.30.0080.00915.97
7.4.20.0130.00316.29
7.4.10.0100.00716.25
7.4.00.0030.01316.17
7.3.330.0000.00716.00
7.3.320.0060.00012.91
7.3.310.0030.00315.98
7.3.300.0000.00616.09
7.3.290.0080.00716.14
7.3.260.0130.00416.17
7.3.230.0030.01416.15
7.3.220.0150.00316.31
7.3.210.0150.00916.16
7.3.200.0070.01516.07
7.3.190.0000.01716.23
7.3.180.0140.00616.11
7.3.170.0060.00916.30
7.3.160.0060.00916.23
7.3.150.0150.00416.39
7.3.140.0030.01316.13
7.3.130.0090.00916.13
7.3.120.0100.00616.05
7.3.110.0100.00616.36
7.3.100.0030.01716.34
7.3.90.0070.01016.04
7.3.80.0070.01016.09
7.3.70.0060.01016.07
7.3.60.0070.01016.34
7.3.50.0030.01316.22
7.3.40.0130.00316.11
7.3.30.0070.01016.19
7.3.20.0070.01016.11
7.3.10.0070.01016.20
7.3.00.0040.01416.29
7.2.340.0110.00716.26
7.2.330.0100.01016.46
7.2.320.0100.00716.34
7.2.310.0130.00316.62
7.2.300.0110.00716.45
7.2.290.0100.00716.41
7.2.280.0100.00716.54
7.2.270.0100.00916.43
7.2.260.0140.00616.29
7.2.250.0100.00716.45
7.2.240.0120.00916.10
7.2.230.0100.00716.48
7.2.220.0110.00716.10
7.2.210.0090.00916.05
7.2.200.0120.01316.20
7.2.190.0080.00816.30
7.2.180.0100.00716.36
7.2.170.0060.01316.27
7.2.160.0150.00316.20
7.2.150.0200.01016.27
7.2.140.0080.01116.18
7.2.130.0180.00016.39
7.2.120.0110.00716.44
7.2.110.0190.00016.37
7.2.100.0100.00716.48
7.2.90.0150.00316.32
7.2.80.0130.00316.27
7.2.70.0140.00316.20
7.2.60.0150.00316.39
7.2.50.0150.00316.35
7.2.40.0120.00616.27
7.2.30.0110.00716.39
7.2.20.0130.00616.41
7.2.10.0140.00716.43
7.2.00.0060.01316.34

preferences:
28.88 ms | 403 KiB | 5 Q