3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = '  love@outerbanks.org  '; preg_match('/^\x{c2a0}*(.*)\x{c2a0}*$/u', $string, $out); var_dump($out);

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)
8.3.70.0090.00616.88
8.3.60.0090.00618.57
8.3.50.0100.00923.04
8.3.40.0110.01118.79
8.3.30.0140.00018.73
8.3.20.0040.00420.48
8.3.10.0040.00421.73
8.3.00.0050.00319.26
8.2.180.0190.00316.63
8.2.170.0070.01422.96
8.2.160.0120.00320.53
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0040.00421.13
8.2.110.0030.00621.07
8.2.100.0110.00018.03
8.2.90.0050.00319.23
8.2.80.0030.00517.97
8.2.70.0030.00617.75
8.2.60.0060.00318.04
8.2.50.0080.00018.10
8.2.40.0060.00318.03
8.2.30.0040.00417.99
8.2.20.0050.00317.79
8.2.10.0030.00518.07
8.2.00.0050.00317.75
8.1.280.0120.00625.92
8.1.270.0050.00323.97
8.1.260.0080.00026.35
8.1.250.0000.00728.09
8.1.240.0090.00922.62
8.1.230.0050.00617.76
8.1.220.0060.00317.74
8.1.210.0080.00018.77
8.1.200.0030.00617.47
8.1.190.0060.00317.25
8.1.180.0000.00818.10
8.1.170.0040.00418.71
8.1.160.0040.00421.97
8.1.150.0040.00418.74
8.1.140.0000.00717.46
8.1.130.0000.00717.86
8.1.120.0030.00417.59
8.1.110.0030.00617.44
8.1.100.0040.00417.56
8.1.90.0070.00017.53
8.1.80.0030.00317.51
8.1.70.0000.00817.53
8.1.60.0060.00317.57
8.1.50.0000.00717.59
8.1.40.0000.00917.51
8.1.30.0030.00617.80
8.1.20.0000.00817.71
8.1.10.0000.00817.55
8.1.00.0040.00417.60
8.0.300.0070.00018.77
8.0.290.0030.00516.75
8.0.280.0070.00018.38
8.0.270.0040.00417.23
8.0.260.0040.00417.26
8.0.250.0030.00317.08
8.0.240.0030.00316.99
8.0.230.0000.01117.09
8.0.220.0000.00717.02
8.0.210.0070.00016.96
8.0.200.0030.00317.00
8.0.190.0040.00317.01
8.0.180.0070.00017.09
8.0.170.0080.00017.12
8.0.160.0080.00017.09
8.0.150.0030.00317.00
8.0.140.0040.00416.89
8.0.130.0030.00313.43
8.0.120.0070.00016.99
8.0.110.0030.00617.07
8.0.100.0000.00816.90
8.0.90.0050.00217.08
8.0.80.0060.00917.04
8.0.70.0040.00417.07
8.0.60.0070.00016.93
8.0.50.0030.00316.86
8.0.30.0080.01117.21
8.0.20.0100.01017.44
8.0.10.0040.00417.05
8.0.00.0110.01016.87
7.4.330.0000.00515.05
7.4.320.0030.00316.66
7.4.300.0000.00616.75
7.4.290.0070.00016.76
7.4.280.0060.00316.73
7.4.270.0000.00716.74
7.4.260.0000.00716.66
7.4.250.0000.00716.71
7.4.240.0040.00416.78
7.4.230.0070.00016.56
7.4.220.0130.01316.77
7.4.210.0120.00316.92
7.4.200.0040.00316.89
7.4.160.0140.00316.87
7.4.150.0090.01517.40
7.4.140.0140.00417.86
7.4.130.0070.00916.77
7.4.120.0060.01116.73
7.4.110.0180.00016.63
7.4.100.0170.00316.77
7.4.90.0150.00616.47
7.4.80.0070.01419.39
7.4.70.0030.02016.50
7.4.60.0090.00916.60
7.4.50.0000.00416.50
7.4.40.0100.00616.61
7.4.30.0090.00616.57
7.4.00.0080.00915.02
7.3.330.0020.00213.08
7.3.320.0060.00013.26
7.3.310.0000.00716.43
7.3.300.0030.00516.31
7.3.290.0030.01016.46
7.3.280.0110.01016.32
7.3.270.0130.00317.40
7.3.260.0070.01416.29
7.3.250.0100.00716.39
7.3.240.0160.00316.51
7.3.230.0120.00816.48
7.3.210.0090.01316.60
7.3.200.0070.01019.39
7.3.190.0110.00916.53
7.3.180.0070.01416.34
7.3.170.0120.00316.56
7.3.160.0070.01016.58
7.3.120.0050.01314.96
7.3.110.0040.01414.95
7.3.100.0030.00914.85
7.3.90.0080.00614.75
7.3.80.0090.00214.77
7.3.70.0060.00514.87
7.3.60.0030.00914.69
7.3.50.0050.00914.71
7.3.40.0080.00514.90
7.3.30.0070.00514.83
7.3.20.0020.01416.47
7.3.10.0140.01016.70
7.3.00.0130.00616.58
7.2.330.0150.00316.57
7.2.320.0030.01316.61
7.2.310.0100.01316.73
7.2.300.0100.00716.73
7.2.290.0030.01216.69
7.2.250.0070.01115.08
7.2.240.0050.01315.16
7.2.230.0090.00814.95
7.2.220.0070.00914.79
7.2.210.0040.01014.79
7.2.200.0080.00614.92
7.2.190.0050.01014.97
7.2.180.0080.00614.96
7.2.170.0050.01014.97
7.2.130.0170.00516.73
7.2.120.0090.01116.80
7.2.110.0200.00816.80
7.2.100.0160.00516.70
7.2.90.0110.00616.78
7.2.80.0090.00916.91
7.2.70.0060.01417.07
7.2.60.0120.00516.60
7.2.50.0050.00816.84
7.2.40.0080.00916.86
7.2.30.0080.01016.75
7.2.20.0080.01016.78
7.2.10.0080.01016.62
7.2.00.0070.00716.72
7.1.330.0070.00715.92
7.1.320.0070.00815.80
7.1.310.0050.00816.02
7.1.300.0020.01115.82
7.1.290.0050.00815.88
7.1.280.0080.00615.76
7.1.270.0040.00915.88
7.1.260.0020.01115.81
7.1.250.0090.00715.71
7.1.70.0000.00717.21
7.1.60.0060.01619.40
7.1.50.0040.01416.99
7.1.00.0000.08022.34
7.0.200.0040.00416.86
7.0.140.0000.07721.98
7.0.60.0270.06719.82
7.0.50.0000.05317.84
7.0.40.0170.07320.31
7.0.30.0270.08020.15
7.0.20.0130.05320.18
7.0.10.0170.08020.01
7.0.00.0070.08320.07
5.6.280.0070.07021.14
5.6.210.0100.08020.69
5.6.200.0170.07018.22
5.6.190.0100.04020.67
5.6.180.0100.05020.27
5.6.170.0470.04320.48
5.6.160.0070.05020.48
5.6.150.0070.08318.09
5.6.140.0130.07018.22
5.6.130.0000.04718.11
5.6.120.0000.05020.99
5.6.110.0100.08020.97
5.6.100.0070.07021.00
5.6.90.0030.04321.09
5.6.80.0030.06020.28
5.5.350.0230.07720.29
5.5.340.0130.07317.91
5.5.330.0000.05320.43
5.5.320.0270.07320.51
5.5.310.0370.08020.31
5.5.300.0100.07717.93
5.5.290.0230.06317.93
5.5.280.0130.06020.79
5.5.270.0070.07020.86
5.5.260.0100.03720.71
5.5.250.0130.07320.60
5.5.240.0000.03320.23
5.4.450.0730.05319.31
5.4.440.0700.06019.50
5.4.430.0630.06319.48
5.4.420.0200.06019.66
5.4.410.0830.04319.29
5.4.400.0300.08018.62
5.4.390.0200.05318.68
5.4.380.0130.05018.45
5.4.370.0130.03018.55
5.4.360.0030.04318.56
5.4.350.0040.04711.97
5.4.340.0060.03711.97
5.4.320.0070.03712.45
5.4.310.0100.03912.45
5.4.300.0080.04412.45
5.4.290.0060.03912.45
5.4.280.0060.04012.35
5.4.270.0060.04012.34
5.4.260.0070.04312.34
5.4.250.0070.03812.35
5.4.240.0040.03812.35
5.4.230.0060.03712.34
5.4.220.0050.04412.34
5.4.210.0070.03412.34
5.4.200.0050.03812.34
5.4.190.0060.03812.33
5.4.180.0060.04912.34
5.4.170.0080.03912.35
5.4.160.0050.03712.34
5.4.150.0070.03512.34
5.4.140.0060.03612.02
5.4.130.0030.03812.01
5.4.120.0080.03811.96
5.4.110.0100.05111.96
5.4.100.0100.04411.96
5.4.90.0040.04611.96
5.4.80.0080.04511.96
5.4.70.0080.04411.96
5.4.60.0060.04411.96
5.4.50.0090.04211.96
5.4.40.0050.03511.95
5.4.30.0060.03511.95
5.4.20.0030.03711.95
5.4.10.0050.03611.95
5.4.00.0040.03711.43
5.3.290.0050.04012.80
5.3.280.0060.03712.71
5.3.270.0070.03812.73
5.3.260.0050.04012.72
5.3.250.0090.03712.72
5.3.240.0070.03812.72
5.3.230.0070.04712.71
5.3.220.0090.04512.68
5.3.210.0140.05012.68
5.3.200.0100.05212.68
5.3.190.0170.06312.68
5.3.180.0240.05712.68
5.3.170.0220.06712.67
5.3.160.0080.04012.68
5.3.150.0060.04012.68
5.3.140.0070.03912.66
5.3.130.0130.06112.66
5.3.120.0080.04612.66
5.3.110.0130.06112.66
5.3.100.0090.03712.11
5.3.90.0070.03912.08
5.3.80.0140.06012.07
5.3.70.0060.04612.07
5.3.60.0070.03912.07
5.3.50.0060.03912.00
5.3.40.0080.04312.00
5.3.30.0060.05711.95
5.3.20.0100.05011.73
5.3.10.0060.03811.70
5.3.00.0080.04711.69
5.2.170.0060.0649.19
5.2.160.0100.0479.19
5.2.150.0020.0359.19
5.2.140.0020.0339.18
5.2.130.0070.0339.14
5.2.120.0070.0279.14
5.2.110.0100.0379.15
5.2.100.0070.0459.15
5.2.90.0200.0639.14
5.2.80.0090.0519.14
5.2.70.0090.0369.14
5.2.60.0100.0349.09
5.2.50.0170.0889.07
5.2.40.0140.0429.04
5.2.30.0080.0379.03
5.2.20.0070.0369.01
5.2.10.0100.0458.92
5.2.00.0110.0398.77
5.1.60.0190.0468.06
5.1.50.0060.0378.06
5.1.40.0040.0548.04
5.1.30.0100.0568.39
5.1.20.0080.0568.41
5.1.10.0040.0348.13
5.1.00.0110.0298.14
5.0.50.0060.0606.61
5.0.40.0090.0216.47
5.0.30.0050.0396.29
5.0.20.0090.0386.25
5.0.10.0100.0686.23
5.0.00.0070.0316.22
4.4.90.0050.0204.78
4.4.80.0050.0134.75
4.4.70.0060.0184.75
4.4.60.0040.0274.75
4.4.50.0050.0204.77
4.4.40.0110.0444.71
4.4.30.0090.0224.76
4.4.20.0150.0344.84
4.4.10.0070.0324.85
4.4.00.0030.0304.76
4.3.110.0070.0244.67
4.3.100.0040.0224.66
4.3.90.0040.0214.63
4.3.80.0050.0314.59
4.3.70.0060.0214.63
4.3.60.0040.0214.63
4.3.50.0040.0214.62
4.3.40.0010.0274.54
4.3.30.0030.0173.28
4.3.20.0040.0193.25
4.3.10.0010.0173.21
4.3.00.0230.0206.95

preferences:
56.68 ms | 401 KiB | 5 Q