3v4l.org

run code in 300+ PHP versions simultaneously
<?php $email = 'a@gmail.com'; if (!preg_match('/^[^@]{1,64}@[^@]{1,255}$/', $email)) { echo 'false'; } else { echo 'true'; }

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)
8.3.40.0150.00018.96
8.3.30.0070.00718.91
8.3.20.0070.00020.29
8.3.10.0000.00822.09
8.3.00.0050.00322.47
8.2.170.0120.00322.96
8.2.160.0150.00421.02
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0120.00326.16
8.2.120.0080.00019.61
8.2.110.0040.00422.25
8.2.100.0000.01517.84
8.2.90.0040.00419.27
8.2.80.0040.00417.97
8.2.70.0030.00517.63
8.2.60.0000.00817.91
8.2.50.0000.00818.07
8.2.40.0000.00718.16
8.2.30.0040.00418.07
8.2.20.0050.00217.67
8.2.10.0000.00819.62
8.2.00.0070.00017.87
8.1.270.0000.00722.24
8.1.260.0020.00526.35
8.1.250.0000.00828.09
8.1.240.0090.00023.82
8.1.230.0060.00518.81
8.1.220.0050.00317.79
8.1.210.0000.00818.77
8.1.200.0040.00417.47
8.1.190.0000.00817.54
8.1.180.0030.00518.58
8.1.170.0040.00418.64
8.1.160.0040.00422.03
8.1.150.0000.00718.82
8.1.140.0050.00217.59
8.1.130.0030.00317.76
8.1.120.0000.00717.64
8.1.110.0030.00317.54
8.1.100.0000.00717.63
8.1.90.0050.00217.59
8.1.80.0000.00817.60
8.1.70.0030.00317.55
8.1.60.0000.00817.76
8.1.50.0060.00317.65
8.1.40.0030.00617.57
8.1.30.0000.00717.83
8.1.20.0000.00817.80
8.1.10.0020.00517.54
8.1.00.0040.00417.58
8.0.300.0000.00718.77
8.0.290.0040.00417.18
8.0.280.0030.00318.50
8.0.270.0030.00317.24
8.0.260.0050.00316.96
8.0.250.0030.00317.12
8.0.240.0050.00216.98
8.0.230.0040.00417.09
8.0.220.0000.00716.93
8.0.210.0070.00017.01
8.0.200.0030.00316.96
8.0.190.0040.00417.03
8.0.180.0070.00017.06
8.0.170.0000.00716.98
8.0.160.0000.00716.94
8.0.150.0000.00717.01
8.0.140.0000.00717.02
8.0.130.0030.00313.52
8.0.120.0000.00816.88
8.0.110.0050.00216.99
8.0.100.0020.00517.07
8.0.90.0000.00817.09
8.0.80.0060.01016.96
8.0.70.0000.00717.08
8.0.60.0080.00016.96
8.0.50.0040.00417.02
8.0.30.0120.00917.34
8.0.20.0130.00917.45
8.0.10.0000.00717.03
8.0.00.0100.01017.16
7.4.330.0050.00015.02
7.4.320.0030.00316.76
7.4.300.0000.00716.72
7.4.290.0000.00716.89
7.4.280.0000.00716.71
7.4.270.0070.00016.80
7.4.260.0120.00016.84
7.4.250.0040.00416.73
7.4.240.0030.00516.74
7.4.230.0040.00416.88
7.4.220.0130.00716.68
7.4.210.0080.01016.69
7.4.200.0030.00316.72
7.4.190.0080.00016.88
7.4.160.0090.00616.72
7.4.150.0070.01017.40
7.4.140.0110.00917.86
7.4.130.0140.00416.76
7.4.120.0090.00916.70
7.4.110.0120.00616.73
7.4.100.0100.01016.55
7.4.90.0100.00716.79
7.4.80.0110.00819.39
7.4.70.0060.00916.71
7.4.60.0060.01016.68
7.4.50.0000.00816.69
7.4.40.0040.00822.77
7.4.30.0100.00616.57
7.4.00.0040.01214.89
7.3.330.0030.00313.13
7.3.320.0000.00513.11
7.3.310.0030.00316.21
7.3.300.0050.00216.22
7.3.290.0110.00716.39
7.3.280.0080.00816.31
7.3.270.0100.00717.40
7.3.260.0030.01416.54
7.3.250.0130.00816.34
7.3.240.0130.00316.32
7.3.230.0090.00916.39
7.3.210.0130.00316.48
7.3.200.0110.00719.39
7.3.190.0120.00916.48
7.3.180.0070.00716.51
7.3.170.0030.01516.28
7.3.160.0090.00616.54
7.3.120.0070.00714.87
7.2.330.0090.00816.50
7.2.320.0130.01016.80
7.2.310.0100.00616.60
7.2.300.0100.00916.66
7.2.290.0130.00316.63
7.2.110.0190.00816.69
7.2.100.0220.00616.61
7.2.90.0120.00916.75
7.2.80.0240.00816.67
7.2.70.0300.00017.04
7.2.60.0160.01516.93
7.2.50.0210.00616.94
7.2.40.0260.00317.14
7.2.30.0170.00317.12
7.2.20.0330.00316.97
7.2.10.0230.01016.91
7.2.00.0110.00618.23
7.1.230.0230.00015.74
7.1.220.0160.01015.95
7.1.210.0070.01115.48
7.1.200.0250.00415.92
7.1.190.0190.01015.83
7.1.180.0190.00715.66
7.1.170.0200.00515.66
7.1.160.0110.00415.92
7.1.150.0150.00915.84
7.1.140.0140.01215.93
7.1.130.0260.00315.84
7.1.120.0200.00615.63
7.1.110.0180.01116.06
7.1.100.0090.00916.99
7.1.90.0100.00615.98
7.1.80.0130.00415.79
7.1.70.0150.00216.42
7.1.60.0110.01017.93
7.1.50.0170.01116.58
7.1.40.0240.00715.76
7.1.30.0210.00416.15
7.1.20.0210.00516.05
7.1.10.0200.00316.03
7.1.00.0320.04019.13
7.0.310.0250.00015.45
7.0.300.0280.00015.42
7.0.290.0260.00315.32
7.0.280.0300.00415.36
7.0.270.0170.00515.33
7.0.260.0200.00415.23
7.0.250.0220.00315.66
7.0.240.0180.00915.57
7.0.230.0130.01315.46
7.0.220.0670.00315.70
7.0.210.0210.00315.59
7.0.200.0260.00316.03
7.0.190.0220.00615.44
7.0.180.0200.00815.16
7.0.170.0150.00915.66
7.0.160.0490.00315.67
7.0.150.0210.00415.54
7.0.140.0110.04018.80
7.0.130.0270.00315.64
7.0.120.0110.00515.36
7.0.110.0410.00315.65
7.0.100.0290.00315.43
7.0.90.0260.00015.58
7.0.80.0160.01015.64
7.0.70.0300.01215.39
7.0.60.0130.04617.63
7.0.50.0260.02316.55
7.0.40.0080.03916.96
7.0.30.0240.03516.88
7.0.20.0160.03516.79
7.0.10.0070.03116.90
7.0.00.0090.02216.80
5.6.380.0100.01013.97
5.6.370.0060.01014.11
5.6.360.0080.00814.35
5.6.350.0100.00614.63
5.6.340.0190.00014.07
5.6.330.0110.00414.27
5.6.320.0100.00513.97
5.6.310.0120.00613.95
5.6.300.0100.00314.34
5.6.290.0080.00814.28
5.6.280.0070.03817.74
5.6.270.0080.01014.15
5.6.260.0090.00614.52
5.6.250.0100.00314.43
5.6.240.0120.00414.34
5.6.230.0090.00614.60
5.6.220.0110.00814.45
5.6.210.0140.03817.43
5.6.200.0130.04216.20
5.6.190.0140.02317.37
5.6.180.0290.04117.46
5.6.170.0130.02417.34
5.6.160.0030.03217.44
5.6.150.0060.04316.23
5.6.140.0100.04216.18
5.6.130.0110.04316.16
5.6.120.0080.04817.70
5.6.110.0110.04417.55
5.6.100.0070.03517.71
5.6.90.0140.04117.72
5.6.80.0110.04017.48
5.6.70.0160.00314.32
5.6.60.0060.00914.12
5.6.50.0080.00814.24
5.6.40.0090.01014.30
5.6.30.0080.00814.22
5.6.20.0160.00014.23
5.6.10.0050.00914.14
5.6.00.0130.00314.22
5.5.380.0050.00912.79
5.5.370.0130.00012.79
5.5.360.0050.00512.79
5.5.350.0100.02016.60
5.5.340.0020.02515.40
5.5.330.0060.02316.47
5.5.320.0130.02016.53
5.5.310.0210.03816.54
5.5.300.0060.02615.37
5.5.290.0070.02715.40
5.5.280.0090.02216.72
5.5.270.0050.02516.71
5.5.260.0100.02516.75
5.5.250.0120.04216.73
5.5.240.0070.04016.41
5.5.230.0000.01012.79
5.5.220.0100.00012.79
5.5.210.0100.00312.79
5.5.200.0050.01012.79
5.5.190.0030.00612.79
5.5.180.0000.01212.79
5.5.170.0140.00314.41
5.5.160.0080.00512.79
5.5.150.0120.00012.79
5.5.140.0060.00912.79
5.5.130.0070.00312.79
5.5.120.0040.00812.79
5.5.110.0080.00412.79
5.5.100.0120.00312.79
5.5.90.0030.01012.79
5.5.80.0070.00412.79
5.5.70.0110.00012.79
5.5.60.0120.00412.79
5.5.50.0110.00012.79
5.5.40.0050.00912.79
5.5.30.0070.00412.79
5.5.20.0050.00812.79
5.5.10.0050.00512.79
5.5.00.0030.00912.79
5.4.450.0390.02616.16
5.4.440.0460.03816.16
5.4.430.0030.03516.23
5.4.420.0110.02716.23
5.4.410.0060.03115.90
5.4.400.0100.02715.77
5.4.390.0090.02715.75
5.4.380.0020.03615.68
5.4.370.0120.02515.64
5.4.360.0150.02515.78
5.4.350.0140.02915.79
5.4.340.0180.02815.69
5.4.330.0090.00312.79
5.4.320.0080.01812.62
5.4.310.0100.02112.62
5.4.300.0050.02212.62
5.4.290.0050.02312.62
5.4.280.0050.02212.57
5.4.270.0110.03215.82
5.4.260.0050.03815.75
5.4.250.0090.03615.82
5.4.240.0090.02815.79
5.4.230.0130.03015.72
5.4.220.0080.03015.72
5.4.210.0160.02515.82
5.4.200.0120.02515.75
5.4.190.0090.02615.83
5.4.180.0040.04015.72
5.4.170.0100.03115.88
5.4.160.0130.03215.74
5.4.150.0080.03015.86
5.4.140.0110.02314.52
5.4.130.0070.02914.62
5.4.120.0120.02414.51
5.4.110.0080.02914.59
5.4.100.0120.02514.54
5.4.90.0080.02514.58
5.4.80.0080.02314.61
5.4.70.0060.03014.53
5.4.60.0110.03214.63
5.4.50.0120.02214.63
5.4.40.0110.03314.59
5.4.30.0110.02714.54
5.4.20.0110.03014.59
5.4.10.0110.02814.57
5.4.00.0150.02314.37
5.3.290.0080.02112.80
5.3.280.0100.03013.69
5.3.270.0090.02613.63
5.3.260.0100.04013.74
5.3.250.0090.02413.58
5.3.240.0090.02513.70
5.3.230.0160.02213.70
5.3.220.0090.03013.70
5.3.210.0100.02813.61
5.3.200.0090.02413.68
5.3.190.0120.03313.62
5.3.180.0120.02113.59
5.3.170.0130.03313.68
5.3.160.0030.03213.68
5.3.150.0070.03813.63
5.3.140.0100.03013.63
5.3.130.0050.03213.59
5.3.120.0090.04213.55
5.3.110.0100.03513.74
5.3.100.0090.02613.42
5.3.90.0100.02713.48
5.3.80.0050.03013.34
5.3.70.0100.03513.37
5.3.60.0030.02813.40
5.3.50.0120.02313.37
5.3.40.0110.03013.37
5.3.30.0060.02513.37
5.3.20.0100.03213.09
5.3.10.0060.02813.29
5.3.00.0050.02713.26
5.2.170.0020.02711.88
5.2.160.0070.02011.96
5.2.150.0090.01811.96
5.2.140.0110.02611.97
5.2.130.0020.03311.90
5.2.120.0080.03211.95
5.2.110.0070.02211.95
5.2.100.0100.01711.94
5.2.90.0050.02311.95
5.2.80.0030.02511.89
5.2.70.0130.02611.89
5.2.60.0070.02211.92
5.2.50.0040.03411.82
5.2.40.0030.02711.90
5.2.30.0100.01811.88
5.2.20.0060.02111.95
5.2.10.0110.02511.81
5.2.00.0110.02411.86
5.1.60.0060.01811.36
5.1.50.0050.02411.42
5.1.40.0050.02011.43
5.1.30.0090.01511.59
5.1.20.0060.01811.61
5.1.10.0030.02011.46
5.1.00.0100.01511.40
5.0.50.0020.01910.74
5.0.40.0030.01610.69
5.0.30.0020.02410.63
5.0.20.0030.01810.52
5.0.10.0020.01710.50
5.0.00.0100.01810.49
4.4.90.0010.0139.99
4.4.80.0080.0099.99
4.4.70.0010.0139.99
4.4.60.0030.0119.99
4.4.50.0030.0129.99
4.4.40.0060.0169.99
4.4.30.0090.0089.99
4.4.20.0020.0139.99
4.4.10.0050.0109.99
4.4.00.0040.0249.99
4.3.110.0020.0139.99
4.3.100.0030.0169.99
4.3.90.0030.0119.99
4.3.80.0000.0229.99
4.3.70.0000.0159.99
4.3.60.0030.0149.99
4.3.50.0010.0159.99
4.3.40.0040.0169.99
4.3.30.0000.0169.99
4.3.20.0050.0139.99
4.3.10.0000.0159.99
4.3.00.0070.0129.87

preferences:
45.75 ms | 400 KiB | 5 Q