3v4l.org

run code in 300+ PHP versions simultaneously
<?php $start = microtime(true); for ($i = 0; $i < 100000; $i++) { strpos(strtolower('Test'), 'est'); } echo microtime(true) - $start;

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)
7.1.70.0090.00617.31
7.1.60.0060.01619.43
7.1.50.0100.02716.86
7.1.00.0100.06322.30
7.0.200.0070.01716.78
7.0.140.0000.09021.98
7.0.100.0070.09019.96
7.0.90.0100.08019.90
7.0.80.0130.08319.88
7.0.70.0130.07719.94
7.0.60.0030.09319.95
7.0.50.0070.07720.27
7.0.40.0100.08720.04
7.0.30.0030.10020.23
7.0.20.0070.09319.99
7.0.10.0030.09720.04
7.0.00.0070.09720.10
5.6.280.0000.11720.88
5.6.250.0170.09020.60
5.6.240.0070.10320.67
5.6.230.0130.11020.49
5.6.220.0100.09720.55
5.6.210.0100.10720.71
5.6.200.0130.10721.18
5.6.190.0030.10721.13
5.6.180.0070.10721.03
5.6.170.0070.08721.08
5.6.160.0130.11021.05
5.6.150.0100.11321.01
5.6.140.0030.06321.01
5.6.130.0070.10721.05
5.6.120.0070.10321.01
5.6.110.0170.10020.93
5.6.100.0030.10721.03
5.6.90.0130.13321.05
5.6.80.0000.10320.42
5.6.70.0030.11020.30
5.6.60.0000.07720.45
5.6.50.0030.06020.33
5.6.40.0030.11720.46
5.6.30.0000.08720.40
5.6.20.0030.10720.37
5.6.10.0070.09020.29
5.6.00.0070.10320.43
5.5.380.0100.08720.41
5.5.370.0200.09020.36
5.5.360.0170.10320.41
5.5.350.0130.10320.47
5.5.340.0070.10320.78
5.5.330.0170.10720.80
5.5.320.0100.10320.92
5.5.310.0100.07020.83
5.5.300.0030.08320.93
5.5.290.0070.07320.84
5.5.280.0030.10320.77
5.5.270.0130.10320.87
5.5.260.0070.11720.82
5.5.250.0070.11720.71
5.5.240.0100.07320.22
5.5.230.0070.10720.11
5.5.220.0030.10320.18
5.5.210.0070.07020.21
5.5.200.0100.09020.24
5.5.190.0100.10720.16
5.5.180.0070.10720.24
5.5.160.0100.10320.08
5.5.150.0100.10320.20
5.5.140.0070.10720.27
5.5.130.0070.08020.23
5.5.120.0100.10720.24
5.5.110.0070.11719.94
5.5.100.0130.10020.07
5.5.90.0030.11320.07
5.5.80.0070.10720.09
5.5.70.0100.10020.15
5.5.60.0070.11020.04
5.5.50.0030.11020.10
5.5.40.0030.11320.08
5.5.30.0030.10720.13
5.5.20.0100.09720.09
5.5.10.0170.09719.98
5.5.00.0100.07720.01
5.4.450.0030.10719.45
5.4.440.0100.11019.37
5.4.430.0030.11319.45
5.4.420.0100.09719.40
5.4.410.0130.09719.11
5.4.400.0100.09719.04
5.4.390.0030.11019.14
5.4.380.0100.09719.13
5.4.370.0070.05718.89
5.4.360.0100.07019.05
5.4.350.0030.10019.07
5.4.340.0100.10018.81
5.4.320.0100.09719.04
5.4.310.0130.09718.89
5.4.300.0170.10019.03
5.4.290.0070.10019.02
5.4.280.0070.10319.11
5.4.270.0070.11319.14
5.4.260.0030.10718.96
5.4.250.0100.10319.02
5.4.240.0100.10719.16
5.4.230.0000.10719.21
5.4.220.0070.10018.94
5.4.210.0030.11318.96
5.4.200.0100.09718.90
5.4.190.0170.09319.09
5.4.180.0030.10719.09
5.4.170.0100.10719.02
5.4.160.0130.09318.79
5.4.150.0070.09719.04
5.4.140.0070.11316.28
5.4.130.0070.08716.34
5.4.120.0100.05016.27
5.4.110.0030.10316.20
5.4.100.0130.08016.40
5.4.90.0070.09716.34
5.4.80.0130.10316.20
5.4.70.0100.09316.29
5.4.60.0030.10316.36
5.4.50.0070.10316.32
5.4.40.0070.10016.42
5.4.30.0100.07016.18
5.4.20.0100.10316.17
5.4.10.0130.08316.21
5.4.00.0100.10315.85
5.3.290.0070.07714.66
5.3.280.0100.11014.59
5.3.270.0000.11014.46
5.3.260.0070.11314.61
5.3.250.0030.12014.61
5.3.240.0070.11714.56
5.3.230.0100.10314.55
5.3.220.0200.11014.52
5.3.210.0100.06714.39
5.3.200.0030.10014.56
5.3.190.0030.11314.55
5.3.180.0070.11714.45
5.3.170.0070.11714.41
5.3.160.0070.11014.56
5.3.150.0100.09714.38
5.3.140.0000.11014.50
5.3.130.0030.11714.55
5.3.120.0070.11714.41
5.3.110.0070.11014.46
5.3.100.0030.11714.02
5.3.90.0000.11713.96
5.3.80.0100.11713.88
5.3.70.0030.11313.88
5.3.60.0030.10713.78
5.3.50.0030.11313.85
5.3.40.0030.11313.93
5.3.30.0000.12013.89
5.3.20.0030.11313.60
5.3.10.0070.09713.43
5.3.00.0070.10013.49
5.2.170.0030.10011.10
5.2.160.0070.09011.01
5.2.150.0030.09711.21
5.2.140.0030.10011.18
5.2.130.0070.10011.17
5.2.120.0070.11011.16
5.2.110.0030.06711.09
5.2.100.0030.10011.06
5.2.90.0030.09011.10
5.2.80.0030.06010.89
5.2.70.0030.09311.14
5.2.60.0100.09710.87
5.2.50.0100.10010.96
5.2.40.0030.09710.91
5.2.30.0130.10010.92
5.2.20.0100.10311.00
5.2.10.0030.09710.96
5.2.00.0100.09710.65
5.1.60.0030.08710.65
5.1.50.0000.09310.65
5.1.40.0070.09010.65
5.1.30.0070.08310.65
5.1.20.0000.06710.65
5.1.10.0030.10010.65
5.1.00.0030.08310.65
5.0.50.0000.09710.65
5.0.40.0100.10710.65
5.0.30.0030.09310.65
5.0.20.0030.06710.65
5.0.10.0030.08010.65
5.0.00.0100.12010.65
4.4.90.0000.09310.65
4.4.80.0030.09710.65
4.4.70.0030.06010.65
4.4.60.0130.06710.65
4.4.50.0000.08710.65
4.4.40.0000.14010.65
4.4.30.0030.07310.65
4.4.20.0070.08310.65
4.4.10.0000.08010.65
4.4.00.0030.10310.65
4.3.110.0000.09010.65
4.3.100.0000.09310.65
4.3.90.0000.09710.65
4.3.80.0000.11710.65
4.3.70.0070.09310.65
4.3.60.0070.09010.65
4.3.50.0000.09010.65
4.3.40.0000.11010.65
4.3.30.0070.09010.65
4.3.20.0000.06010.65
4.3.10.0000.04710.65
4.3.00.0000.04710.65

preferences:
39.59 ms | 400 KiB | 5 Q