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)
8.3.60.0110.00716.75
8.3.50.0100.01018.36
8.3.40.0000.01418.93
8.3.30.0060.00918.67
8.3.20.0080.00018.76
8.3.10.0060.00320.69
8.3.00.0040.00419.26
8.2.180.0070.01116.88
8.2.170.0100.01022.96
8.2.160.0070.01118.89
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0060.00320.58
8.2.110.0090.00020.99
8.2.100.0040.00717.72
8.2.90.0030.00619.30
8.2.80.0040.00419.21
8.2.70.0030.00617.63
8.2.60.0040.00417.80
8.2.50.0000.00918.07
8.2.40.0030.00618.22
8.2.30.0040.00418.03
8.2.20.0030.00519.36
8.2.10.0080.00017.71
8.2.00.0000.00717.78
8.1.280.0170.00025.92
8.1.270.0150.00423.99
8.1.260.0070.01026.35
8.1.250.0040.00428.09
8.1.240.0030.01020.74
8.1.230.0090.00321.04
8.1.220.0030.00617.80
8.1.210.0030.00618.91
8.1.200.0060.00317.36
8.1.190.0000.00717.53
8.1.180.0080.00018.10
8.1.170.0030.00618.89
8.1.160.0000.00718.79
8.1.150.0040.00418.71
8.1.140.0040.00417.40
8.1.130.0030.00317.87
8.1.120.0020.00517.37
8.1.110.0040.00417.37
8.1.100.0030.00317.40
8.1.90.0000.00817.43
8.1.80.0040.00417.37
8.1.70.0000.00717.34
8.1.60.0040.00417.54
8.1.50.0030.00617.51
8.1.40.0000.00817.46
8.1.30.0050.00317.69
8.1.20.0080.00017.62
8.1.10.0030.00517.44
8.1.00.0000.00817.53
8.0.300.0070.00020.07
8.0.290.0040.00416.75
8.0.280.0000.00718.39
8.0.270.0030.00317.21
8.0.260.0000.00716.88
8.0.250.0040.00416.95
8.0.240.0040.00416.91
8.0.230.0000.00817.04
8.0.220.0030.00316.97
8.0.210.0000.00717.02
8.0.200.0030.00316.91
8.0.190.0090.00017.05
8.0.180.0040.00416.88
8.0.170.0050.00316.84
8.0.160.0000.00716.93
8.0.150.0080.00016.96
8.0.140.0050.00316.80
8.0.130.0030.00313.35
8.0.120.0030.00616.97
8.0.110.0020.00516.85
8.0.100.0040.00416.77
8.0.90.0070.00016.97
8.0.80.0140.00716.86
8.0.70.0030.00616.79
8.0.60.0000.00716.80
8.0.50.0050.00216.82
8.0.30.0140.00317.34
8.0.20.0150.00316.93
8.0.10.0040.00417.13
8.0.00.0070.01816.95
7.4.330.0000.00612.97
7.4.320.0070.00316.27
7.4.300.0000.00816.48
7.4.290.0040.00416.42
7.4.280.0050.00516.45
7.4.270.0000.01016.33
7.4.260.0080.00013.27
7.4.250.0050.00516.34
7.4.240.0000.00816.52
7.4.230.0050.00316.21
7.4.220.0160.01316.43
7.4.210.0150.00316.49
7.4.200.0080.00216.45
7.4.190.0040.00416.33
7.4.160.0180.00616.24
7.4.150.0350.02216.56
7.4.140.0520.00416.24
7.4.130.0340.01316.35
7.4.120.0240.01016.30
7.4.110.0260.02316.47
7.4.100.1010.02216.30
7.4.90.0450.01616.48
7.4.80.0620.00816.38
7.4.70.0210.00716.50
7.4.60.0580.01216.50
7.4.50.0080.00416.41
7.4.40.0220.00916.46
7.4.30.0100.01616.33
7.3.330.0030.00313.24
7.3.320.0050.00213.34
7.3.310.0060.00316.27
7.3.300.0030.00616.31
7.3.290.0040.01616.24
7.3.280.0120.01116.30
7.3.270.0160.00916.39
7.3.260.0360.01516.09
7.3.250.0190.01916.33
7.3.240.0410.01016.52
7.3.230.0320.01116.45
7.3.210.0190.01316.55
7.3.200.0300.01419.39
7.3.190.0740.00616.22
7.3.180.0180.01116.32
7.3.170.0260.01616.48
7.3.160.0090.01516.39
7.2.330.0160.01316.40
7.2.320.0200.01016.61
7.2.310.0170.01716.72
7.2.300.0620.01716.76
7.2.290.0060.01616.64
7.2.100.1540.00614.49
7.2.90.1330.00014.77
7.2.80.1940.00614.59
7.2.70.1340.00714.78
7.2.60.1040.00314.93
7.2.50.1730.00314.82
7.2.40.0200.01014.90
7.2.30.0130.00714.88
7.2.20.0980.00314.90
7.2.10.0630.00914.86
7.2.00.0130.01014.66
7.1.220.1880.01213.66
7.1.210.1610.01613.61
7.1.200.1130.01713.61
7.1.190.0380.01613.61
7.1.180.1780.01613.69
7.1.170.1420.00713.67
7.1.160.1380.01813.67
7.1.150.1100.01713.61
7.1.140.0120.01813.64
7.1.130.0260.01213.61
7.1.120.1060.02313.61
7.1.110.0160.01213.82
7.1.100.0180.01213.66
7.1.90.1170.01614.07
7.1.80.0230.01013.90
7.1.70.0330.01013.61
7.1.60.0670.01031.81
7.1.50.0320.01731.73
7.1.40.0560.01831.93
7.1.30.0350.01731.84
7.1.20.0400.01331.65
7.1.10.0310.01213.61
7.1.00.0630.00813.86
7.0.310.1810.00613.61
7.0.300.1250.00913.61
7.0.290.1290.02513.61
7.0.280.0590.01813.64
7.0.270.0240.00813.61
7.0.260.0200.01613.61
7.0.250.0200.03313.61
7.0.240.0380.01013.61
7.0.230.0160.01913.61
7.0.220.0440.00813.61
7.0.210.0750.01513.61
7.0.200.0350.00813.61
7.0.190.1050.01413.61
7.0.180.0250.01613.68
7.0.170.0300.01013.61
7.0.160.0160.02013.65
7.0.150.0340.01313.61
7.0.140.0320.01413.61
7.0.130.0540.01713.61
7.0.120.0580.00613.61
7.0.110.0710.00813.61
7.0.100.0970.01513.61
7.0.90.0220.00913.61
7.0.80.0250.00613.61
7.0.70.2290.01013.61
7.0.60.0180.01813.61
7.0.50.0840.00913.61
7.0.40.0290.00613.61
7.0.30.0130.02213.61
7.0.20.0310.00813.61
7.0.10.0300.00713.61
7.0.00.1130.01213.61
5.6.380.0160.02914.07
5.6.370.0150.01514.00
5.6.360.0220.01514.18
5.6.350.0100.02314.29
5.6.340.0260.00714.42
5.6.330.0190.01514.11
5.6.320.0210.01113.90
5.6.310.0170.02014.14
5.6.300.0240.00714.13
5.6.290.0190.02013.84
5.6.280.0300.00414.23
5.6.270.0170.01114.40
5.6.260.0080.01914.13
5.6.250.0150.01413.71
5.6.240.0190.01614.26
5.6.230.0290.02914.11
5.6.220.0160.01414.02
5.6.210.0190.01913.86
5.6.200.0150.01814.17
5.6.190.0290.01613.75
5.6.180.0130.02014.25
5.6.170.0280.00614.34
5.6.160.0260.00714.12
5.6.150.0220.01314.05
5.6.140.0120.01513.95
5.6.130.0240.00513.90
5.6.120.0230.00513.93
5.6.110.0240.00713.93
5.6.100.0100.01914.18
5.6.90.0330.00013.68
5.6.80.0120.01513.81
5.5.380.0140.01713.61
5.5.370.0130.01313.61
5.5.360.0200.01313.61
5.5.350.0260.00913.61
5.5.340.0330.02113.61
5.5.330.0080.02313.61
5.5.320.0150.01213.61
5.5.310.0300.00413.61
5.5.300.0140.01113.61
5.5.290.0170.01313.61
5.5.280.0170.00913.61
5.5.270.0080.02013.61
5.5.260.0300.01513.61
5.5.250.0180.00713.61
5.5.240.0110.01513.61
5.4.450.0070.01913.61
5.4.440.0120.01213.61
5.4.430.0110.01613.61
5.4.420.0170.00713.61
5.4.410.0150.01113.61
5.4.400.0170.01213.61

preferences:
48.08 ms | 401 KiB | 5 Q