3v4l.org

run code in 300+ PHP versions simultaneously
<?php $s = "ab"; $s1 = "cAbfAbe"; $s2 = $s1; do { $s2 = stristr($s2,$s); echo $s2."\n"; $s2 = substr($s2,0,count($s)+1).".\n"; echo $s2."\n"; } while ($s2 != false);

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)
8.3.60.0080.01516.75
8.3.50.0100.00722.02
8.3.40.0100.01018.64
8.3.30.0090.00619.07
8.3.20.0040.00420.34
8.3.10.0060.00321.69
8.3.00.0110.00719.26
8.2.180.0120.00318.43
8.2.170.0120.00922.96
8.2.160.0100.01020.51
8.2.150.0030.01024.18
8.2.140.0030.00524.66
8.2.130.0150.00426.16
8.2.120.0030.00522.30
8.2.110.0030.00620.39
8.2.100.0040.00717.78
8.2.90.0000.00919.08
8.2.80.0080.00017.97
8.2.70.0030.00617.75
8.2.60.0040.00417.68
8.2.50.0060.00318.07
8.2.40.0000.00918.09
8.2.30.0040.00418.07
8.2.20.0000.00717.61
8.2.10.0070.00018.22
8.2.00.0030.00517.79
8.1.280.0070.01525.92
8.1.270.0070.00723.96
8.1.260.0040.00426.35
8.1.250.0050.00228.09
8.1.240.0060.00322.11
8.1.230.0120.00019.16
8.1.220.0040.00417.77
8.1.210.0000.00818.77
8.1.200.0060.00317.35
8.1.190.0060.00317.41
8.1.180.0030.00618.10
8.1.170.0030.00518.59
8.1.160.0000.00822.06
8.1.150.0000.00718.51
8.1.140.0000.00717.35
8.1.130.0040.00417.82
8.1.120.0000.00717.38
8.1.110.0040.00417.36
8.1.100.0040.00417.52
8.1.90.0030.00317.47
8.1.80.0040.00417.45
8.1.70.0030.00317.40
8.1.60.0040.00417.57
8.1.50.0000.00917.44
8.1.40.0000.00717.41
8.1.30.0080.00017.56
8.1.20.0000.00717.66
8.1.10.0050.00217.60
8.1.00.0040.00417.55
8.0.300.0040.00419.83
8.0.290.0040.00417.05
8.0.280.0040.00418.38
8.0.270.0020.00517.19
8.0.260.0000.00616.78
8.0.250.0030.00316.89
8.0.240.0000.00716.91
8.0.230.0040.00417.05
8.0.220.0030.00316.95
8.0.210.0030.00316.86
8.0.200.0000.00617.08
8.0.190.0040.00416.98
8.0.180.0000.00716.86
8.0.170.0000.00716.86
8.0.160.0030.00516.78
8.0.150.0040.00416.85
8.0.140.0050.00516.89
8.0.130.0030.00313.34
8.0.120.0050.00216.91
8.0.110.0050.00316.99
8.0.100.0040.00416.81
8.0.90.0050.00216.96
8.0.80.0090.00616.87
8.0.70.0050.00216.93
8.0.60.0000.00716.97
8.0.50.0040.00416.74
8.0.30.0050.01217.19
8.0.20.0120.00917.40
8.0.10.0000.00716.95
8.0.00.0120.00916.85
7.4.330.0030.00315.08
7.4.320.0040.00416.46
7.4.300.0040.00416.42
7.4.290.0070.00616.46
7.4.280.0050.01416.53
7.4.270.0000.00816.42
7.4.260.0030.00616.46
7.4.250.0060.00616.43
7.4.240.0020.00716.35
7.4.230.0060.00316.26
7.4.220.0080.02016.33
7.4.210.0070.01616.49
7.4.200.0050.00516.49
7.4.190.0000.00916.39
7.4.160.0230.02016.28
7.4.150.0410.01817.40
7.4.140.0270.01317.86
7.4.130.0280.01316.49
7.4.120.0430.01116.28
7.4.110.0500.00816.57
7.4.100.0830.00016.66
7.4.90.0430.00516.40
7.4.80.0130.01719.39
7.4.70.0740.02716.29
7.4.60.0080.01916.50
7.4.50.0000.00816.60
7.4.40.0180.01222.77
7.4.30.1380.04416.54
7.4.00.0040.01714.56
7.3.330.0030.00313.13
7.3.320.0050.00513.24
7.3.310.0040.00416.26
7.3.300.0040.00416.13
7.3.290.0120.00916.27
7.3.280.0140.01416.23
7.3.270.0350.02417.40
7.3.260.0460.02016.39
7.3.250.0410.02416.49
7.3.240.0210.01116.41
7.3.230.0640.02716.39
7.3.210.0870.04016.53
7.3.200.0170.01419.39
7.3.190.0330.02016.30
7.3.180.0190.00816.32
7.3.170.0430.01416.45
7.3.160.0140.01416.38
7.3.120.0000.01714.86
7.2.330.0510.02216.57
7.2.320.0230.00916.43
7.2.310.0190.01916.54
7.2.300.0130.01716.65
7.2.290.0140.01016.40
7.2.60.0150.00416.85
7.2.50.0130.00416.89
7.2.00.0110.00619.49
7.1.200.0130.00715.46
7.1.70.0080.00417.22
7.1.60.0160.01919.31
7.1.50.0030.01617.09
7.0.200.0160.00316.84

preferences:
44.58 ms | 401 KiB | 5 Q