3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo strpos("*@combinationRule don't remove the reference", "combinationRule");

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)
8.3.60.0110.00318.18
8.3.50.0150.00716.27
8.3.40.0040.01118.76
8.3.30.0070.00718.59
8.3.20.0000.00720.32
8.3.10.0080.00023.56
8.3.00.0080.00019.56
8.2.180.0200.00018.41
8.2.170.0040.01422.96
8.2.160.0070.00718.91
8.2.150.0050.00224.18
8.2.140.0000.00824.66
8.2.130.0080.00019.21
8.2.120.0030.00626.35
8.2.110.0040.00421.18
8.2.100.0070.00419.52
8.2.90.0000.00819.09
8.2.80.0000.00917.97
8.2.70.0090.00317.49
8.2.60.0000.00917.77
8.2.50.0000.00818.10
8.2.40.0020.00520.55
8.2.30.0040.00420.98
8.2.20.0040.00417.80
8.2.10.0050.00317.93
8.2.00.0050.00317.91
8.1.280.0090.00925.92
8.1.270.0040.00422.11
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00721.19
8.1.230.0040.00819.16
8.1.220.0030.00517.74
8.1.210.0000.00918.77
8.1.200.0060.00317.23
8.1.190.0040.00417.00
8.1.180.0000.00818.10
8.1.170.0040.00418.97
8.1.160.0030.00518.90
8.1.150.0030.00618.81
8.1.140.0070.00419.35
8.1.130.0000.00718.62
8.1.120.0070.00017.42
8.1.110.0000.00817.22
8.1.100.0050.00317.23
8.1.90.0030.00517.30
8.1.80.0070.00017.21
8.1.70.0070.00017.32
8.1.60.0000.00717.48
8.1.50.0000.00817.34
8.1.40.0080.00017.37
8.1.30.0040.00417.58
8.1.20.0050.00217.43
8.1.10.0030.00517.32
8.1.00.0000.00717.35
8.0.300.0000.00720.14
8.0.290.0000.00816.75
8.0.280.0070.00018.29
8.0.270.0000.00717.10
8.0.260.0000.00816.80
8.0.250.0060.00016.88
8.0.240.0000.00716.78
8.0.230.0030.00716.80
8.0.220.0050.00216.71
8.0.210.0030.00316.81
8.0.200.0060.00016.82
8.0.190.0000.00716.84
8.0.180.0000.00716.84
8.0.170.0070.00016.77
8.0.160.0030.00316.71
8.0.150.0030.00316.59
8.0.140.0000.00716.72
8.0.130.0050.00013.17
8.0.120.0000.00716.70
8.0.110.0030.00316.70
8.0.100.0040.00416.66
8.0.90.0000.00716.63
8.0.80.0070.01516.73
8.0.70.0050.00316.79
8.0.60.0040.00416.70
8.0.50.0040.00416.75
8.0.30.0080.00717.04
8.0.20.0120.00917.40
8.0.10.0040.00416.98
8.0.00.0060.01216.54
7.4.330.0030.00315.55
7.4.320.0060.00016.39
7.4.300.0030.00316.31
7.4.290.0030.00316.36
7.4.280.0050.00316.46
7.4.270.0000.00716.37
7.4.260.0000.00716.37
7.4.250.0050.00316.43
7.4.240.0030.00316.41
7.4.230.0070.00016.53
7.4.220.0070.01116.52
7.4.210.0070.01316.43
7.4.200.0070.00016.52
7.4.160.0120.00716.35
7.4.150.0060.01217.40
7.4.140.0080.00917.86
7.4.130.0070.01116.26
7.4.120.0120.00816.34
7.4.110.0110.00716.44
7.4.100.0070.01016.34
7.4.90.0110.00616.35
7.4.80.0100.01019.39
7.4.70.0090.00716.28
7.4.60.0100.00616.23
7.4.50.0100.00316.08
7.4.40.0100.00616.33
7.4.30.0100.00716.44
7.4.00.0070.01014.97
7.3.330.0050.00012.98
7.3.320.0000.00612.96
7.3.310.0000.00716.19
7.3.300.0060.00016.05
7.3.290.0080.00816.18
7.3.280.0060.01016.10
7.3.270.0040.01417.40
7.3.260.0100.00716.24
7.3.250.0110.00716.33
7.3.240.0100.01016.37
7.3.230.0070.01116.27
7.3.210.0190.01916.18
7.3.200.0070.01116.20
7.3.190.0100.01016.17
7.3.180.0100.01116.05
7.3.170.0100.00716.53
7.3.160.0070.01016.04
7.2.330.0040.01316.52
7.2.320.0130.01016.63
7.2.310.0040.01216.49
7.2.300.0130.00316.55
7.2.290.0060.01116.16
7.2.60.0070.00717.00
7.2.50.0070.00716.67
7.1.200.0060.00915.63
7.1.70.0140.00817.14
7.1.60.0300.01535.15
7.1.50.0650.02134.73
7.1.40.0700.01434.16
7.1.30.0330.01534.32
7.1.20.0410.02232.53
7.1.10.0000.01516.36
7.1.00.0360.00716.35
7.0.200.0000.02116.82
7.0.190.0400.01014.98
7.0.180.0060.01716.00
7.0.170.0080.00816.14
7.0.160.0090.00616.16
7.0.150.0040.01216.05
7.0.140.0510.00416.06
7.0.130.0030.01416.51
7.0.120.0320.01414.68
7.0.110.0080.01116.33
7.0.100.0080.00816.17
7.0.90.0050.01416.11
7.0.80.0000.01616.39
7.0.70.0000.01616.31
7.0.60.0030.01816.13
7.0.50.0560.01616.19
7.0.40.0120.00816.16
7.0.30.0040.01516.16
7.0.20.0080.01216.24
7.0.10.0080.01116.55
7.0.00.0480.01114.53

preferences:
60.92 ms | 400 KiB | 5 Q