3v4l.org

run code in 300+ PHP versions simultaneously
<?php // Setup $class = 'Concrete5_Model_User'; $count = 1000; // Warm up for($i = 0; $i < $count; $i++) { strpos($class, 'Concrete5_Model'); } // Test - case sensitive $t0 = microtime(true); for($i = 0; $i < $count; $i++) { strpos($class, 'Concrete5_Model'); } $deltaCS = microtime(true) - $t0; // Test - case insensitive $t0 = microtime(true); for($i = 0; $i < $count; $i++) { stripos($class, 'Concrete5_Model'); } $deltaCI = microtime(true) - $t0; echo "case sensitive: $deltaCS\n"; echo "case insensitive: $deltaCI\n";

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)
7.4.00.0100.00615.28
7.3.120.0080.01115.28
7.3.110.0090.00615.28
7.3.100.0100.00715.28
7.3.90.0030.00815.28
7.3.80.0040.01115.28
7.3.70.0000.01415.28
7.3.60.0000.01515.28
7.3.50.0100.00615.28
7.3.40.0060.00915.28
7.3.30.0060.00915.28
7.3.20.0040.01116.84
7.3.10.0070.01116.82
7.3.00.0070.00716.53
7.2.250.0090.00615.28
7.2.240.0030.01515.28
7.2.230.0040.01115.28
7.2.220.0070.00315.28
7.2.210.0040.01215.28
7.2.200.0060.00915.28
7.2.190.0040.01515.28
7.2.180.0000.01615.28
7.2.170.0120.00615.28
7.2.00.0030.00919.27
7.1.330.0040.01115.75
7.1.320.0090.00915.53
7.1.310.0000.00915.92
7.1.300.0130.00315.95
7.1.290.0130.00315.79
7.1.280.0030.01415.84
7.1.270.0070.01115.92
7.1.260.0030.01016.02
7.1.70.0040.01517.01
7.1.60.0150.00719.82
7.1.50.0100.01317.15
7.1.00.0030.07722.44
7.0.200.0090.00416.57
7.0.140.0070.07021.95
7.0.60.0070.05319.95
7.0.50.0130.05317.81
7.0.40.0070.04020.04
7.0.30.0300.07720.17
7.0.20.0370.07720.20
7.0.10.0230.04320.10
7.0.00.0100.04020.20
5.6.280.0070.07020.77
5.6.210.0130.07720.66
5.6.200.0030.07718.09
5.6.190.0130.06020.61
5.6.180.0200.04020.59
5.6.170.0300.07720.32
5.6.160.0070.04020.47
5.6.150.0030.04018.21
5.6.140.0000.04318.17
5.6.130.0070.05718.09
5.6.120.0130.08021.02
5.6.110.0100.08721.07
5.6.100.0100.04021.00
5.6.90.0130.08720.99
5.6.80.0170.05320.51
5.6.70.3570.02720.52
5.5.350.0130.05320.52
5.5.340.0100.08018.02
5.5.330.0170.04020.47
5.5.320.0130.07020.25
5.5.310.0130.04320.50
5.5.300.0070.07718.01
5.5.290.0130.07717.94
5.5.280.0070.06720.76
5.5.270.0030.06020.89
5.5.260.0070.08020.86
5.5.250.0070.08720.70
5.5.240.0170.06720.35
5.4.450.0700.06319.24
5.4.440.0300.05319.56
5.4.430.0070.05719.25
5.4.420.0030.06019.46
5.4.410.0170.05019.04
5.4.400.0370.05718.82
5.4.390.0400.06018.71
5.4.380.0200.05718.57
5.4.370.0070.05718.55
5.4.360.0100.03318.65
5.4.350.0080.03611.98
5.4.340.0090.04011.97
5.4.320.0120.03412.46
5.4.310.0100.03312.45
5.4.300.0080.03412.46
5.4.290.0050.03912.45
5.4.280.0050.04012.35
5.4.270.0070.03512.35
5.4.260.0130.05318.82
5.4.250.0200.04018.73
5.4.240.0070.07318.88
5.4.230.0130.04718.64
5.4.220.0070.08318.87
5.4.210.0100.05318.79
5.4.200.0130.05018.87
5.4.190.0130.04718.79
5.4.180.0130.04718.63
5.4.170.0100.05318.86
5.4.160.0100.06018.89
5.4.150.0170.05018.90
5.4.140.0070.05316.24
5.4.130.0130.04716.31
5.4.120.0170.04316.22
5.4.110.0070.05016.25
5.4.100.0130.06716.48
5.4.90.0330.03716.49
5.4.80.0070.05016.40
5.4.70.0130.07016.21
5.4.60.0100.06716.37
5.4.50.0100.07016.38
5.4.40.0100.07016.37
5.4.30.0070.05016.45
5.4.20.0100.04716.45
5.4.10.0070.08016.23
5.4.00.0070.05315.66
5.3.290.0070.03812.80
5.3.280.0000.06014.74
5.3.270.0100.06014.47
5.3.260.0130.05314.59
5.3.250.0030.05714.62
5.3.240.0200.06314.63
5.3.230.0100.06314.45
5.3.220.0130.05014.42
5.3.210.0070.05314.57
5.3.200.0130.06014.57
5.3.190.0000.08314.58
5.3.180.0130.05314.57
5.3.170.0130.07314.43
5.3.160.0030.05714.57
5.3.150.0070.05314.57
5.3.140.0070.05314.44
5.3.130.0170.07314.25
5.3.120.0100.05714.25
5.3.110.0100.07714.51
5.3.100.0030.06314.05
5.3.90.0030.07314.03
5.3.80.0100.07013.71
5.3.70.0070.07314.03
5.3.60.0070.06014.01
5.3.50.0000.05713.99
5.3.40.0130.05313.88
5.3.30.0130.04313.94
5.3.20.0070.06713.57
5.3.10.0070.05013.64
5.3.00.0070.05713.54
5.2.170.0070.04011.16
5.2.160.0030.04011.14
5.2.150.0170.03711.07
5.2.140.0130.03311.02
5.2.130.0130.03311.09
5.2.120.0070.05711.02
5.2.110.0170.03011.03
5.2.100.0070.03711.09
5.2.90.0100.05011.11
5.2.80.0130.03711.24
5.2.70.0130.04310.98
5.2.60.0100.05711.20
5.2.50.0070.04011.04
5.2.40.0030.04011.08
5.2.30.0100.05710.89
5.2.20.0070.05010.84
5.2.10.0130.03010.93
5.2.00.0070.04010.71
5.1.60.0100.03010.09
5.1.50.0100.03010.23
5.1.40.0070.0509.96
5.1.30.0070.04010.40
5.1.20.0130.03010.52
5.1.10.0070.03710.13
5.1.00.0070.04010.16
5.0.50.0030.0378.60
5.0.40.0030.0408.46
5.0.30.0100.0508.30
5.0.20.0070.0338.20
5.0.10.0070.0378.27
5.0.00.0100.0408.11
4.4.90.0000.0307.49
4.4.80.0100.0137.49
4.4.70.0030.0277.49
4.4.60.0030.0307.49
4.4.50.0000.0237.49
4.4.40.0070.0477.49
4.4.30.0030.0237.49
4.4.20.0000.0277.49
4.4.10.0000.0377.49
4.4.00.0030.0407.49
4.3.110.0000.0377.48
4.3.100.0000.0377.49
4.3.90.0030.0307.49
4.3.80.0070.0307.49
4.3.70.0070.0207.49
4.3.60.0070.0177.49
4.3.50.0070.0207.49
4.3.40.0030.0337.49
4.3.30.0000.0277.49
4.3.20.0030.0307.49
4.3.10.0030.0237.49
4.3.00.0030.01713.33

preferences:
34.77 ms | 400 KiB | 5 Q