3v4l.org

run code in 300+ PHP versions simultaneously
<?php $identifier = "a@z.com"; $identifier2 = "another"; echo "Original\n"; echo "B: " . (strpos($identifier, '@') === false ? 0 : 1) ."\n"; echo "B: " . (strpos($identifier2, '@') === false ? 0 : 1) ."\n"; echo "\n"; echo "Improve\n"; echo "B: " . ((int) strpos($identifier, '@') != false) ."\n"; echo "B: " . ((int) strpos($identifier2, '@') != false) ."\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)
8.3.60.0120.00916.63
8.3.50.0220.00816.29
8.3.40.0160.00618.63
8.3.30.0190.00318.59
8.3.20.0040.01118.60
8.3.10.0060.00320.35
8.3.00.0060.01319.38
8.2.180.0170.00016.50
8.2.170.0170.00322.96
8.2.160.0030.01021.20
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0050.00226.16
8.2.120.0000.00819.36
8.2.110.0060.00619.21
8.2.100.0040.00717.78
8.2.90.0000.00919.22
8.2.80.0000.00917.97
8.2.70.0040.00417.63
8.2.60.0000.00818.03
8.2.50.0040.00418.07
8.2.40.0000.00717.97
8.2.30.0050.00318.05
8.2.20.0000.00717.64
8.2.10.0040.00417.67
8.2.00.0000.00817.61
8.1.280.0060.00925.92
8.1.270.0000.00824.66
8.1.260.0050.00326.35
8.1.250.0000.00728.09
8.1.240.0090.00021.12
8.1.230.0000.01017.42
8.1.220.0030.00517.76
8.1.210.0040.00418.77
8.1.200.0060.00317.25
8.1.190.0030.00517.24
8.1.180.0070.00318.10
8.1.170.0000.00718.60
8.1.160.0000.00818.75
8.1.150.0080.00018.63
8.1.140.0000.01017.41
8.1.130.0030.00317.77
8.1.120.0000.00717.52
8.1.110.0040.00417.35
8.1.100.0050.00217.45
8.1.90.0040.00417.41
8.1.80.0000.00717.43
8.1.70.0000.00717.46
8.1.60.0030.00517.55
8.1.50.0040.00417.38
8.1.40.0000.00717.46
8.1.30.0040.00417.65
8.1.20.0040.00417.65
8.1.10.0070.00017.52
8.1.00.0000.00717.37
8.0.300.0000.00718.77
8.0.290.0040.00416.75
8.0.280.0030.00318.44
8.0.270.0030.00317.26
8.0.260.0070.00016.81
8.0.250.0040.00416.86
8.0.240.0000.00816.91
8.0.230.0000.00716.95
8.0.220.0030.00316.77
8.0.210.0000.00816.95
8.0.200.0030.00316.96
8.0.190.0000.00716.84
8.0.180.0030.00716.90
8.0.170.0000.00816.89
8.0.160.0040.00416.96
8.0.150.0000.00916.79
8.0.140.0000.00716.82
8.0.130.0050.00313.30
8.0.120.0030.00316.86
8.0.110.0070.00016.77
8.0.100.0000.00816.91
8.0.90.0000.00716.92
8.0.80.0090.00616.92
8.0.70.0040.00416.67
8.0.60.0070.00016.84
8.0.50.0040.00416.87
8.0.30.0120.00917.07
8.0.20.0120.00617.10
8.0.10.0040.00417.02
8.0.00.0120.00816.76
7.4.330.0030.00312.94
7.4.320.0060.00016.48
7.4.300.0060.00016.49
7.4.290.0030.00316.42
7.4.280.0040.00416.52
7.4.270.0000.00716.44
7.4.260.0030.00313.19
7.4.250.0040.00416.52
7.4.240.0040.00416.35
7.4.230.0040.00416.67
7.4.220.0110.00816.63
7.4.210.0110.00416.54
7.4.200.0030.00316.40
7.4.190.0020.00516.63
7.4.160.0090.00616.43
7.4.150.0090.00916.63
7.4.140.0070.01116.39
7.4.130.0080.01116.68
7.4.120.0080.00916.51
7.4.110.0100.00616.54
7.4.100.0150.00616.74
7.4.90.0140.01116.62
7.4.80.0090.01219.39
7.4.70.0070.01116.64
7.4.60.0080.00816.35
7.4.50.0030.00616.34
7.4.40.0030.01016.34
7.4.30.0080.00816.39
7.4.00.0090.00615.02
7.3.330.0030.00313.10
7.3.320.0030.00213.02
7.3.310.0030.00316.12
7.3.300.0040.00416.04
7.3.290.0060.01516.30
7.3.280.0050.01016.21
7.3.270.0100.00716.34
7.3.260.0160.00316.09
7.3.250.0120.01016.31
7.3.240.0090.00916.39
7.3.230.0110.00616.45
7.3.210.0120.00616.66
7.3.200.0060.01116.23
7.3.190.0100.00716.45
7.3.180.0030.01216.43
7.3.170.0170.00016.39
7.3.160.0100.00716.53
7.3.120.0060.00914.79
7.3.110.0000.01414.79
7.3.100.0060.00914.79
7.3.90.0030.01014.68
7.3.80.0130.00314.78
7.3.70.0060.00614.55
7.3.60.0070.00714.69
7.3.50.0120.00014.77
7.3.40.0070.01014.69
7.3.30.0090.00314.88
7.3.20.0060.00916.59
7.3.10.0060.00916.60
7.3.00.0040.00716.60
7.2.330.0120.00916.75
7.2.320.0110.01116.31
7.2.310.0170.00716.64
7.2.300.0030.01316.65
7.2.290.0030.01516.46
7.2.240.0110.00415.21
7.2.230.0080.00615.30
7.2.220.0030.01314.82
7.2.210.0120.00315.07
7.2.200.0120.00615.05
7.2.190.0100.00714.84
7.2.180.0060.01114.81
7.2.170.0030.01014.95
7.2.160.0120.00315.05
7.2.150.0110.00417.01
7.2.140.0110.00717.12
7.2.130.0060.00916.76
7.2.120.0070.00716.83
7.2.110.0100.00316.66
7.2.100.0120.00316.71
7.2.90.0070.00716.96
7.2.80.0060.00816.71
7.2.70.0040.01117.06
7.2.60.0080.00416.77
7.2.50.0050.01217.11
7.2.40.0040.01117.05
7.2.30.0120.00316.79
7.2.20.0000.01116.91
7.2.10.0000.01516.85
7.2.00.0090.00218.02
7.1.330.0030.01315.78
7.1.320.0130.00315.80
7.1.310.0030.01015.82
7.1.300.0100.00715.72
7.1.290.0110.00415.45
7.1.280.0040.01215.92
7.1.270.0030.01215.63
7.1.260.0030.01015.73
7.1.250.0030.01515.77
7.1.200.0060.00015.53
7.1.100.0270.00717.83
7.1.70.0030.01216.80
7.1.60.0070.01019.40
7.1.50.0160.01034.41
7.1.00.0000.08322.37
7.0.200.0040.00416.83
7.0.140.0070.07022.15
7.0.120.0030.07722.04
7.0.60.0030.08721.76
7.0.50.0000.06717.91
7.0.40.0130.08020.24
7.0.30.0270.06020.34
7.0.20.0300.08020.00
7.0.10.0100.08319.99
7.0.00.0030.08020.08
5.6.280.0030.07320.99
5.6.210.0030.07720.55
5.6.200.0030.04018.09
5.6.190.0100.04020.27
5.6.180.0200.08320.48
5.6.170.0230.08320.35
5.6.160.0070.08720.51
5.6.150.0100.08018.12
5.6.140.0130.05718.11
5.6.130.0030.08318.15
5.6.120.0070.08321.08
5.6.110.0100.08321.09
5.6.100.0100.06020.97
5.6.90.0000.04320.99
5.6.80.0070.08020.40
5.5.350.0070.08320.42
5.5.340.0200.06718.02
5.5.330.0030.04320.21
5.5.320.0270.04020.31
5.5.310.0200.04320.17
5.5.300.0000.09017.95
5.5.290.0030.05018.02
5.5.280.0070.06020.79
5.5.270.0100.08020.75
5.5.260.0070.09020.86
5.5.250.0130.07720.77
5.5.240.0230.06320.22
5.4.450.0070.05019.47
5.4.440.0100.04719.11
5.4.430.0130.06319.13
5.4.420.0130.07019.48
5.4.410.0070.03719.12
5.4.400.0100.07719.13
5.4.390.0100.07019.12
5.4.380.0100.07319.18
5.4.370.0030.08018.92
5.4.360.0170.03719.02
5.4.350.0030.08019.11
5.4.340.0100.07318.80
5.4.320.0000.05019.08
5.4.310.0030.05018.92
5.4.300.0070.03718.78
5.4.290.0100.04319.14
5.4.280.0070.04019.17
5.4.270.0030.04018.80
5.4.260.0000.04319.20
5.4.250.0100.05019.07
5.4.240.0100.06019.16
5.4.230.0030.08018.91
5.4.220.0100.07318.80
5.4.210.0100.04018.78
5.4.200.0100.05319.07
5.4.190.0100.03319.13
5.4.180.0070.04019.16
5.4.170.0070.05019.07
5.4.160.0170.06719.16
5.4.150.0070.04719.09
5.4.140.0070.03316.48
5.4.130.0070.06316.35
5.4.120.0000.04716.21
5.4.110.0070.04016.27
5.4.100.0030.07716.25
5.4.90.0070.04016.36
5.4.80.0070.06716.27
5.4.70.0000.08316.39
5.4.60.0070.03716.58
5.4.50.0030.07316.12
5.4.40.0100.06316.34
5.4.30.0070.03316.58
5.4.20.0100.04016.21
5.4.10.0030.05716.34
5.4.00.0070.07015.81
5.3.290.0070.06714.56
5.3.280.0100.06014.51
5.3.270.0100.07314.48
5.3.260.0030.05314.39
5.3.250.0100.07714.50
5.3.240.0100.06714.62
5.3.230.0070.04314.55
5.3.220.0100.07014.46
5.3.210.0070.04714.38
5.3.200.0100.05714.49
5.3.190.0100.07014.51
5.3.180.0030.06314.46
5.3.170.0070.05714.53
5.3.160.0030.06014.55
5.3.150.0070.07314.52
5.3.140.0000.05314.52
5.3.130.0070.04014.48
5.3.120.0030.08314.34
5.3.110.0100.07014.56
5.3.100.0070.04313.91
5.3.90.0070.07313.95
5.3.80.0070.04713.80
5.3.70.0030.08013.99
5.3.60.0030.07713.93
5.3.50.0070.06713.91
5.3.40.0100.06013.87
5.3.30.0100.05713.70
5.3.20.0000.04013.58
5.3.10.0130.06713.58
5.3.00.0030.07713.56
5.2.170.0000.04011.11
5.2.160.0070.05311.00
5.2.150.0070.04711.04
5.2.140.0000.04311.15
5.2.130.0070.05011.18
5.2.120.0000.03310.92
5.2.110.0070.03311.04
5.2.100.0070.06011.08
5.2.90.0100.05011.11
5.2.80.0100.05711.02
5.2.70.0000.03711.10
5.2.60.0030.06011.20
5.2.50.0000.03310.95
5.2.40.0070.06010.87
5.2.30.0100.06010.95
5.2.20.0070.06010.94
5.2.10.0030.06010.90
5.2.00.0070.02710.72
5.1.60.0030.02710.03
5.1.50.0030.0539.94
5.1.40.0100.0479.94
5.1.30.0100.04010.30
5.1.20.0030.05010.35
5.1.10.0100.05010.10
5.1.00.0000.03710.20
5.0.50.0000.0478.51
5.0.40.0100.0378.45
5.0.30.0070.0678.23
5.0.20.0030.0478.34
5.0.10.0000.0208.16
5.0.00.0000.0338.21
4.4.90.0000.0207.82
4.4.80.0000.0237.82
4.4.70.0030.0377.82
4.4.60.0000.0277.82
4.4.50.0100.0237.82
4.4.40.0030.0277.82
4.4.30.0000.0207.82
4.4.20.0030.0337.82
4.4.10.0000.0177.82
4.4.00.0000.0607.82
4.3.110.0030.0237.82
4.3.100.0000.0207.82
4.3.90.0000.0237.82
4.3.80.0000.0237.82
4.3.70.0000.0207.82
4.3.60.0100.0107.82
4.3.50.0000.0377.82
4.3.40.0100.0477.82
4.3.30.0030.0277.82
4.3.20.0030.0237.82
4.3.10.0000.0307.82
4.3.00.0030.0237.82

preferences:
51.59 ms | 401 KiB | 5 Q