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($s)+1); //echo "$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)
8.3.60.0000.01518.68
8.3.50.0140.00718.26
8.3.40.0070.00718.79
8.3.30.0140.00018.91
8.3.20.0000.00720.16
8.3.10.0110.00423.65
8.3.00.0090.00022.44
8.2.180.0140.00716.50
8.2.170.0150.00322.96
8.2.160.0130.00322.32
8.2.150.0040.00424.18
8.2.140.0090.00024.66
8.2.130.0070.00026.16
8.2.120.0090.00019.76
8.2.110.0040.00422.15
8.2.100.0080.00417.78
8.2.90.0050.00319.27
8.2.80.0040.00417.97
8.2.70.0090.00317.60
8.2.60.0110.00017.93
8.2.50.0000.01118.07
8.2.40.0040.00418.28
8.2.30.0040.00418.11
8.2.20.0000.00717.74
8.2.10.0070.00017.71
8.2.00.0000.00717.80
8.1.270.0000.00822.05
8.1.260.0040.00426.35
8.1.250.0090.00628.09
8.1.240.0050.00523.97
8.1.230.0040.00719.11
8.1.220.0000.00817.74
8.1.210.0050.00318.77
8.1.200.0060.00317.23
8.1.190.0050.00317.52
8.1.180.0040.00418.10
8.1.170.0030.00518.46
8.1.160.0040.00422.07
8.1.150.0040.00718.62
8.1.140.0030.00617.54
8.1.130.0000.00717.79
8.1.120.0000.00717.45
8.1.110.0040.00417.43
8.1.100.0070.00017.37
8.1.90.0040.00417.51
8.1.80.0070.00017.34
8.1.70.0000.00717.34
8.1.60.0030.00517.61
8.1.50.0080.00017.48
8.1.40.0070.00017.52
8.1.30.0030.00517.64
8.1.20.0000.00817.69
8.1.10.0000.00817.41
8.1.00.0000.00717.48
8.0.300.0080.00018.77
8.0.290.0050.00317.05
8.0.280.0030.00318.34
8.0.270.0000.00717.29
8.0.260.0060.00016.80
8.0.250.0030.00317.03
8.0.240.0030.00316.97
8.0.230.0070.00017.02
8.0.220.0050.00416.98
8.0.210.0000.00716.83
8.0.200.0000.00617.00
8.0.190.0030.00516.96
8.0.180.0000.00717.01
8.0.170.0000.00816.95
8.0.160.0040.00417.02
8.0.150.0000.00716.80
8.0.140.0040.00416.94
8.0.130.0040.00413.36
8.0.120.0000.00816.77
8.0.110.0050.00216.88
8.0.100.0040.00417.01
8.0.90.0000.00716.91
8.0.80.0030.01216.94
8.0.70.0000.00816.93
8.0.60.0000.00717.06
8.0.50.0040.00417.01
8.0.30.0080.01217.05
8.0.20.0160.00217.40
8.0.10.0080.00017.03
8.0.00.0090.01316.87
7.4.330.0060.00015.16
7.4.320.0030.00616.48
7.4.300.0030.00516.30
7.4.290.0050.00516.39
7.4.280.0000.00916.27
7.4.270.0030.00616.39
7.4.260.0070.00416.36
7.4.250.0060.00616.52
7.4.240.0030.00516.29
7.4.230.0030.00516.36
7.4.220.0140.01416.33
7.4.210.0150.01016.38
7.4.200.0000.01016.49
7.4.190.0040.00716.28
7.4.160.0150.00816.51
7.4.150.0230.01717.40
7.4.140.0220.01117.86
7.4.130.0200.01816.47
7.4.120.0150.01216.50
7.4.110.0170.01616.47
7.4.100.0260.01816.39
7.4.90.0300.00716.26
7.4.80.0290.02116.44
7.4.70.0140.01416.38
7.4.60.0260.02616.23
7.4.50.0090.00916.30
7.4.40.0040.01822.77
7.4.30.0190.01516.36
7.3.330.0060.00313.31
7.3.320.0000.00913.30
7.3.310.0000.01316.34
7.3.300.0070.00016.22
7.3.290.0130.01616.25
7.3.280.0090.01616.22
7.3.270.0260.00617.40
7.3.260.0120.02016.42
7.3.250.0150.02016.31
7.3.240.0230.02316.42
7.3.230.0280.00816.39
7.3.210.0210.01416.36
7.3.200.0120.02719.39
7.3.190.0100.01316.44
7.3.180.0150.01216.26
7.3.170.0270.01216.35
7.3.160.0190.00716.31
7.2.330.0300.00616.51
7.2.320.0370.01616.73
7.2.310.0390.01216.64
7.2.300.0180.01416.29
7.2.290.0160.00916.52
7.2.100.1260.00614.65
7.2.90.0080.01214.59
7.2.80.0920.00314.64
7.2.70.0530.00815.12
7.2.60.1040.01314.91
7.2.50.0520.01014.80
7.2.40.1470.00314.78
7.2.30.0390.01414.50
7.2.20.0200.00014.64
7.2.10.0630.01115.01
7.2.00.0770.01114.86
7.1.220.0580.02113.61
7.1.210.1280.01613.64
7.1.200.1010.01813.69
7.1.190.1420.02613.89
7.1.180.1460.03813.70
7.1.170.1410.01913.72
7.1.160.1440.01613.61
7.1.150.1220.01913.66
7.1.140.1290.01413.75
7.1.130.0400.01813.61
7.1.120.1300.01713.66
7.1.110.1190.01013.79
7.1.100.1200.00613.81
7.1.90.1940.03613.61
7.1.80.0960.02013.70
7.1.70.1090.02713.73
7.1.60.1240.01631.78
7.1.50.2000.01931.94
7.1.40.1380.01332.01
7.1.30.1400.03932.01
7.1.20.0470.01931.81
7.1.10.0440.02113.70
7.1.00.0520.02913.69
7.0.310.1500.01913.61
7.0.300.0970.01813.66
7.0.290.1280.02713.61
7.0.280.1350.01313.61
7.0.270.1510.02013.61
7.0.260.1490.01513.61
7.0.250.1290.02213.61
7.0.240.1320.02113.61
7.0.230.1150.02313.61
7.0.220.1240.00613.61
7.0.210.1180.01713.61
7.0.200.0910.02513.61
7.0.190.1180.02513.61
7.0.180.1210.04013.61
7.0.170.1060.02713.61
7.0.160.1410.02513.61
7.0.150.0910.02413.61
7.0.140.1160.01913.61
7.0.130.1060.01213.61
7.0.120.0880.02113.61
7.0.110.1150.01913.61
7.0.100.1250.02713.61
7.0.90.0970.02713.61
7.0.80.1280.01013.61
7.0.70.1680.03013.71
7.0.60.0860.01913.63
7.0.50.1760.03213.61
7.0.40.1090.00613.61
7.0.30.1640.03813.66
7.0.20.0320.01713.61
7.0.10.0520.01313.65
7.0.00.0330.01313.61
5.6.380.0130.03713.73
5.6.370.0170.03114.05
5.6.360.0160.03714.18
5.6.350.0360.02514.15
5.6.340.0230.03113.93
5.6.330.0230.02214.47
5.6.320.0270.03114.23
5.6.310.0270.01914.39
5.6.300.0520.01414.03
5.6.290.0520.02813.69
5.6.280.0430.01414.20
5.6.270.0270.01714.07
5.6.260.0140.03213.76
5.6.250.0390.00913.98
5.6.240.0470.02013.94
5.6.230.0360.02614.20
5.6.220.0170.02814.46
5.6.210.0170.02714.28
5.6.200.0380.01513.99
5.6.190.0260.01914.35
5.6.180.0180.02114.23
5.6.170.0370.02313.91
5.6.160.0300.02014.18
5.6.150.0240.02414.14
5.6.140.0430.01414.20
5.6.130.0290.02214.41
5.6.120.0310.01214.15
5.6.110.0200.02414.21
5.6.100.0290.02114.16
5.6.90.0200.02713.81
5.6.80.0270.02413.96
5.5.380.0250.01713.61
5.5.370.0230.02313.61
5.5.360.0420.05213.61
5.5.350.0280.02513.61
5.5.340.0280.01613.61
5.5.330.0600.05413.61
5.5.320.0160.02513.61
5.5.310.0220.02813.61
5.5.300.0210.02813.61
5.5.290.0480.01413.61
5.5.280.0310.02013.61
5.5.270.0210.03313.61
5.5.260.0230.02613.61
5.5.250.0240.01513.61
5.5.240.0210.02213.61
5.4.450.0320.01413.61
5.4.440.0240.01913.61
5.4.430.0230.02313.61
5.4.420.0200.02013.61
5.4.410.0220.02513.61
5.4.400.0200.02413.61

preferences:
51.14 ms | 400 KiB | 5 Q