3v4l.org

run code in 300+ PHP versions simultaneously
<?php $postcode = 'SW196QX'; // Validate the postcode if (preg_match( '/^GIR 0AA)|((([A-Z-[QVX]][0-9][0-9]?)|(([A-Z-[QVX]][A-Z-[IJZ]][0-9][0-9]?)|(([A-Z-[QVX]][0-9][A-HJKPSTUW])|([A-Z-[QVX]][A-Z-[IJZ]][0-9][ABEHMNPRVWXY])))) [0-9][A-Z-[CIKMOV]]{2})$/', $postcode ) === 1) { echo 'Invalid'; } else { echo 'Valid'; }

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)
8.3.70.0070.01118.56
8.3.60.0100.01018.43
8.3.50.0120.00721.14
8.3.40.0070.00718.80
8.3.30.0030.01018.84
8.3.20.0080.00020.33
8.3.10.0000.00723.66
8.3.00.0000.00819.77
8.2.180.0140.00018.41
8.2.170.0060.01122.96
8.2.160.0100.00320.52
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0130.00726.16
8.2.120.0030.00617.38
8.2.110.0030.00620.26
8.2.100.0080.00417.84
8.2.90.0090.00019.05
8.2.80.0090.00317.97
8.2.70.0040.00417.63
8.2.60.0000.00818.04
8.2.50.0000.00818.07
8.2.40.0050.00219.36
8.2.30.0000.00819.79
8.2.20.0070.00017.54
8.2.10.0000.00718.04
8.2.00.0040.00417.99
8.1.280.0070.00725.92
8.1.270.0040.00420.33
8.1.260.0050.00326.35
8.1.250.0090.00028.09
8.1.240.0070.00323.86
8.1.230.0070.00320.93
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0000.00917.13
8.1.190.0000.00817.11
8.1.180.0080.00018.10
8.1.170.0040.00418.64
8.1.160.0040.00421.94
8.1.150.0060.00318.83
8.1.140.0000.00917.44
8.1.130.0000.00717.67
8.1.120.0050.00317.42
8.1.110.0050.00317.39
8.1.100.0040.00317.36
8.1.90.0050.00217.38
8.1.80.0070.00017.35
8.1.70.0070.00017.42
8.1.60.0040.00417.40
8.1.50.0050.00517.47
8.1.40.0040.00417.46
8.1.30.0000.00817.60
8.1.20.0060.00317.61
8.1.10.0000.00717.49
8.1.00.0040.00417.46
8.0.300.0040.00418.84
8.0.290.0040.00416.75
8.0.280.0040.00218.49
8.0.270.0030.00317.26
8.0.260.0000.00617.30
8.0.250.0100.00016.99
8.0.240.0040.00416.95
8.0.230.0080.00017.04
8.0.220.0030.00316.92
8.0.210.0080.00016.84
8.0.200.0030.00316.91
8.0.190.0000.00916.94
8.0.180.0000.00716.79
8.0.170.0080.00016.84
8.0.160.0000.00717.02
8.0.150.0030.00416.89
8.0.140.0070.00016.80
8.0.130.0030.00313.29
8.0.120.0040.00416.85
8.0.110.0000.00816.89
8.0.100.0040.00416.95
8.0.90.0040.00416.77
8.0.80.0090.01216.84
8.0.70.0050.00216.85
8.0.60.0030.00516.93
8.0.50.0000.00816.87
8.0.30.0070.01217.29
8.0.20.0100.00917.40
8.0.10.0000.00817.07
8.0.00.0060.01216.68
7.4.330.0030.00315.08
7.4.320.0030.00316.58
7.4.300.0000.00616.48
7.4.290.0000.00716.55
7.4.280.0040.00416.73
7.4.270.0030.00316.59
7.4.260.0030.00716.51
7.4.250.0000.00816.67
7.4.240.0050.00216.61
7.4.230.0000.00716.45
7.4.220.0160.00616.51
7.4.210.0120.00016.65
7.4.200.0040.00316.76
7.4.160.0110.00316.66
7.4.150.0120.00617.40
7.4.140.0070.01217.86
7.4.130.0110.00616.57
7.4.120.0120.00716.53
7.4.110.0110.00716.37
7.4.100.0060.01516.34
7.4.90.0070.01116.74
7.4.80.0160.00019.39
7.4.70.0100.00716.38
7.4.60.0130.00316.75
7.4.50.0000.00416.39
7.4.40.0150.00416.50
7.4.30.0070.01116.45
7.4.00.0100.00714.91
7.3.330.0000.00613.21
7.3.320.0050.00013.31
7.3.310.0000.00716.19
7.3.300.0070.00016.18
7.3.290.0070.01116.27
7.3.280.0120.00816.33
7.3.270.0160.00617.40
7.3.260.0080.01216.36
7.3.250.0140.00616.52
7.3.240.0130.00316.25
7.3.230.0060.01216.39
7.3.210.0060.00916.37
7.3.200.0000.01716.45
7.3.190.0080.00816.50
7.3.180.0090.00616.38
7.3.170.0090.00916.27
7.3.160.0070.01016.28
7.2.330.0070.01016.58
7.2.320.0050.01116.66
7.2.310.0130.00716.64
7.2.300.0110.00716.52
7.2.290.0070.01316.69
7.2.120.0260.00716.70
7.2.110.0410.00016.40
7.2.100.0170.00716.39
7.2.90.0210.00416.76
7.2.80.0200.01016.61
7.2.70.0230.00616.79
7.2.60.0130.00716.93
7.2.50.0160.01617.05
7.2.40.0090.01016.66
7.2.30.0150.01016.93
7.2.20.0220.00316.98
7.2.10.0160.00016.93
7.2.00.0180.00517.93
7.1.240.0210.00815.66
7.1.230.0180.00415.96
7.1.220.0230.01015.75
7.1.210.0160.00515.78
7.1.200.0070.00915.82
7.1.190.0220.01115.66
7.1.180.0160.00615.77
7.1.170.0230.00215.70
7.1.160.0090.01515.42
7.1.150.0260.00415.75
7.1.140.0170.00715.53
7.1.130.0180.00615.79
7.1.120.0290.00015.86
7.1.110.0190.00515.82
7.1.100.0160.00417.05
7.1.90.0270.00415.39
7.1.80.0220.00015.61
7.1.70.0110.00516.24
7.1.60.0150.00217.43
7.1.50.0110.00816.15
7.1.40.0140.00315.49
7.1.30.0170.01115.75
7.1.20.0130.00415.79
7.1.10.0200.00315.41
7.1.00.0100.03919.09
7.0.320.0230.00715.30
7.0.310.0170.00715.54
7.0.300.0160.00515.30
7.0.290.0230.00415.36
7.0.280.0200.00715.48
7.0.270.0160.00615.57
7.0.260.0200.01015.32
7.0.250.0050.01015.30
7.0.240.0130.00415.45
7.0.230.0210.00015.09
7.0.220.0130.01315.36
7.0.210.0090.00915.29
7.0.200.0140.00516.13
7.0.190.0200.00515.51
7.0.180.0130.01015.57
7.0.170.0170.00415.41
7.0.160.0100.00715.41
7.0.150.0110.01115.39
7.0.140.0130.00715.40
7.0.130.0340.00615.47
7.0.120.0260.00315.58
7.0.110.0070.00715.32
7.0.100.0170.00915.17
7.0.90.0180.00415.48
7.0.80.0290.00415.43
7.0.70.0060.01115.14
7.0.60.0090.03617.64
7.0.50.0050.02516.69
7.0.40.0130.02716.67
7.0.30.0300.02616.90
7.0.20.0170.04216.75
7.0.10.0100.04316.82
7.0.00.0090.03516.74
5.6.380.0070.01014.26
5.6.370.0120.00414.20
5.6.360.0120.00614.74
5.6.350.0110.00614.65
5.6.340.0070.00814.07
5.6.330.0100.00614.40
5.6.320.0170.00014.60
5.6.310.0080.00814.07
5.6.300.0000.01714.08
5.6.290.0070.00714.30
5.6.280.0030.02917.54
5.6.270.0100.00814.54
5.6.260.0130.00314.31
5.6.250.0090.00614.60
5.6.240.0110.00714.32
5.6.230.0100.00714.08
5.6.220.0160.00314.23
5.6.210.0070.04917.47
5.6.200.0080.04416.36
5.6.190.0110.02217.38
5.6.180.0220.02917.49
5.6.170.0230.04117.33
5.6.160.0100.04417.40
5.6.150.0110.03516.26
5.6.140.0070.02616.39
5.6.130.0070.03116.33
5.6.120.0100.03617.81
5.6.110.0130.04417.73
5.6.100.0140.04017.55
5.6.90.0150.02317.60
5.6.80.0110.04217.40
5.6.70.2340.01817.44
5.6.60.0150.00314.18
5.6.50.0070.01514.40
5.6.40.0220.00414.33
5.6.30.0130.00914.19
5.6.20.0110.01114.02
5.6.10.0150.00914.18
5.6.00.0260.00014.33
5.5.380.0080.00411.09
5.5.370.0030.00811.09
5.5.360.0000.01211.09
5.5.350.0080.04215.77
5.5.340.0040.04214.48
5.5.330.0110.04115.69
5.5.320.0050.04515.68
5.5.310.0210.03515.68
5.5.300.0050.02814.65
5.5.290.0080.02014.63
5.5.280.0110.03516.04
5.5.270.0040.02515.98
5.5.260.0090.02015.98
5.5.250.0070.04215.79
5.5.240.0160.03015.72
5.5.230.0060.00611.09
5.5.220.0150.00011.09
5.5.210.0110.00011.09
5.5.200.0070.00711.09
5.5.190.0000.01011.09
5.5.180.0040.00811.20
5.5.170.0150.00314.27
5.5.160.0100.00311.09
5.5.150.0000.01811.09
5.5.140.0060.00611.16
5.5.130.0100.00011.09
5.5.120.0040.00811.11
5.5.110.0050.00611.09
5.5.100.0070.00411.09
5.5.90.0110.00011.09
5.5.80.0120.00011.09
5.5.70.0100.00511.09
5.5.60.0060.00311.09
5.5.50.0060.00611.09
5.5.40.0090.00611.09
5.5.30.0040.01011.21
5.5.20.0130.00011.09
5.5.10.0180.00011.09
5.5.00.0060.00411.09
5.4.450.0430.03215.27
5.4.440.0400.03015.23
5.4.430.0520.04415.29
5.4.420.0610.03315.41
5.4.410.0430.04015.22
5.4.400.0630.04214.95
5.4.390.0540.03914.93
5.4.380.0550.03915.15
5.4.370.0520.03815.11
5.4.360.0480.03814.94
5.4.350.0430.04415.09
5.4.340.0530.04015.12
5.4.330.0060.00611.09
5.4.320.0410.03115.11
5.4.310.0570.03914.95
5.4.300.0650.02515.23
5.4.290.0380.03415.10
5.4.280.0370.04115.12
5.4.270.0480.02615.12
5.4.260.0540.02815.20
5.4.250.0330.03815.15
5.4.240.0470.03315.18
5.4.230.0510.03715.11
5.4.220.0470.03115.03
5.4.210.0390.03415.17
5.4.200.0510.02515.16
5.4.190.0520.03915.19
5.4.180.0470.03815.11
5.4.170.0610.03015.10
5.4.160.0590.02515.02
5.4.150.0550.02915.16
5.4.140.0490.03113.63
5.4.130.0410.03313.67
5.4.120.0450.04013.67
5.4.110.0420.02813.79
5.4.100.0410.03513.73
5.4.90.0420.02513.78
5.4.80.0480.02613.78
5.4.70.0190.02113.74
5.4.60.0200.03013.73
5.4.50.0070.03813.66
5.4.40.0080.04013.73
5.4.30.0040.03913.65
5.4.20.0030.03913.75
5.4.10.0100.00511.09
5.4.00.0080.00811.09

preferences:
55.14 ms | 401 KiB | 5 Q