3v4l.org

run code in 300+ PHP versions simultaneously
<? $x = 'bobø'; echo preg_match('[0-9a-zA-Z]', $x); echo preg_match('~[0-9a-zA-Z]~', $x); echo preg_match('~[0-9a-zA-Z]+~', $x); echo $x; ?>

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)
8.3.60.0110.00318.30
8.3.50.0140.00522.05
8.3.40.0090.00618.77
8.3.30.0140.00019.01
8.3.20.0040.00420.18
8.3.10.0040.00423.65
8.3.00.0000.00819.13
8.2.180.0100.01016.32
8.2.170.0150.00022.96
8.2.160.0140.00720.38
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0080.00022.27
8.2.110.0060.00320.21
8.2.100.0030.00717.90
8.2.90.0040.00419.09
8.2.80.0000.00817.97
8.2.70.0050.00517.38
8.2.60.0040.00417.93
8.2.50.0080.00018.07
8.2.40.0060.00319.76
8.2.30.0040.00417.92
8.2.20.0050.00317.40
8.2.10.0070.00017.84
8.2.00.0070.00017.55
8.1.280.0140.00025.92
8.1.270.0050.00322.20
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0060.00323.91
8.1.230.0080.00419.16
8.1.220.0030.00517.74
8.1.210.0060.00318.77
8.1.200.0030.00617.10
8.1.190.0080.00016.97
8.1.180.0040.00418.10
8.1.170.0030.01018.15
8.1.160.0000.00721.83
8.1.150.0040.00418.80
8.1.140.0000.00717.26
8.1.130.0040.00417.79
8.1.120.0000.00817.31
8.1.110.0030.00517.34
8.1.100.0070.00017.33
8.1.90.0000.00817.30
8.1.80.0070.00017.26
8.1.70.0070.00017.23
8.1.60.0040.00417.45
8.1.50.0000.00817.38
8.1.40.0000.00817.37
8.1.30.0040.00417.55
8.1.20.0080.00017.41
8.1.10.0000.00717.42
8.1.00.0030.00617.25
8.0.300.0080.00018.77
8.0.290.0070.00016.63
8.0.280.0000.00718.36
8.0.270.0000.00717.18
8.0.260.0000.00817.18
8.0.250.0000.00716.80
8.0.240.0030.00316.75
8.0.230.0040.00416.79
8.0.220.0000.00716.78
8.0.210.0030.00316.66
8.0.200.0000.00716.74
8.0.190.0040.00416.67
8.0.180.0040.00416.72
8.0.170.0080.00016.73
8.0.160.0040.00416.65
8.0.150.0050.00316.56
8.0.140.0030.00316.77
8.0.130.0000.00813.43
8.0.120.0020.00516.57
8.0.110.0070.00016.75
8.0.100.0080.00016.53
8.0.90.0000.00716.54
8.0.80.0130.00816.80
8.0.70.0000.00716.75
8.0.60.0040.00416.62
8.0.50.0000.00816.73
8.0.30.0100.01016.80
8.0.20.0050.01917.40
8.0.10.0040.00416.73
8.0.00.0090.01016.85
7.4.330.0000.00515.02
7.4.320.0030.00316.48
7.4.300.0030.00316.46
7.4.290.0050.00316.50
7.4.280.0050.00316.34
7.4.270.0040.00416.36
7.4.260.0030.00716.24
7.4.250.0000.00816.42
7.4.240.0040.00316.39
7.4.230.0050.00316.48
7.4.220.0000.01916.39
7.4.210.0140.00016.47
7.4.200.0030.00316.27
7.4.160.0080.01116.41
7.4.150.0130.00617.40
7.4.140.0130.00717.86
7.4.130.0100.00716.27
7.4.120.0090.00716.41
7.4.110.0070.01016.33
7.4.100.0100.00616.40
7.4.90.0140.00316.31
7.4.80.0090.00619.39
7.4.70.0000.01716.31
7.4.60.0060.01016.42
7.4.50.0000.00816.31
7.4.40.0040.01116.17
7.4.30.0150.00616.43
7.4.00.0000.01514.97
7.3.330.0050.00013.08
7.3.320.0020.00213.20
7.3.310.0070.00016.22
7.3.300.0000.00715.98
7.3.290.0080.00716.15
7.3.280.0080.00716.13
7.3.270.0130.00817.40
7.3.260.0160.00016.38
7.3.250.0100.00616.44
7.3.240.0110.00816.41
7.3.230.0030.01316.46
7.3.210.0070.01116.40
7.3.200.0000.01719.39
7.3.190.0070.01116.16
7.3.180.0110.01116.33
7.3.170.0100.00616.27
7.3.160.0100.00616.44
7.3.00.0090.00016.68
7.2.330.0130.00316.46
7.2.320.0090.00816.46
7.2.310.0070.01616.56
7.2.300.0090.01216.54
7.2.290.0060.01416.31
7.2.130.0030.00616.96
7.2.120.0030.00916.91
7.2.110.0080.00417.03
7.2.100.0030.01216.55
7.2.90.0030.01016.86
7.2.80.0070.00716.63
7.2.70.0070.01016.89
7.2.60.0070.00516.87
7.2.50.0040.01317.01
7.2.40.0060.00616.90
7.2.30.0070.00416.69
7.2.20.0130.00416.79
7.2.10.0000.01817.02
7.2.00.0030.01017.08
7.1.250.0000.01415.98
7.1.240.0070.00715.92
7.1.230.0050.00315.95
7.1.220.0030.00916.02
7.1.210.0040.00715.95
7.1.200.0060.00515.77
7.1.190.0050.00515.78
7.1.180.0000.01215.75
7.1.170.0040.01115.98
7.1.160.0090.00415.77
7.1.150.0000.01616.11
7.1.140.0150.00015.74
7.1.130.0000.01215.85
7.1.120.0030.01015.72
7.1.110.0060.00915.77
7.1.100.0120.00315.70
7.1.90.0040.01215.96
7.1.80.0090.00615.61
7.1.70.0050.00716.72
7.1.60.0080.01117.41
7.1.50.0110.01016.33
7.1.40.0060.00815.93
7.1.30.0080.00415.92
7.1.20.0000.00915.76
7.1.10.0100.00615.87
7.1.00.0060.04019.11
7.0.330.0040.00715.13
7.0.320.0050.00515.59
7.0.310.0040.01115.21
7.0.300.0040.00815.51
7.0.290.0100.00315.55
7.0.280.0060.00815.59
7.0.270.0080.00615.74
7.0.260.0040.00415.48
7.0.250.0040.00815.52
7.0.240.0240.00015.66
7.0.230.0030.01015.84
7.0.220.0040.00815.23
7.0.210.0140.00315.46
7.0.200.0000.00816.29
7.0.190.0040.01115.51
7.0.180.0090.00315.62
7.0.170.0060.00915.52
7.0.160.0070.00715.57
7.0.150.0090.00615.59
7.0.140.0080.03318.69
7.0.130.0070.00715.40
7.0.120.0060.00915.71
7.0.110.0070.00415.52
7.0.100.0040.01015.70
7.0.90.0080.00315.61
7.0.80.0040.00815.68
7.0.70.0000.01315.82
7.0.60.0080.04017.80
7.0.50.0060.04516.81
7.0.40.0050.02716.79
7.0.30.0140.03516.85
7.0.20.0180.04416.80
7.0.10.0070.04517.02
7.0.00.0070.04016.86
5.6.380.0030.00914.09
5.6.370.0000.01414.04
5.6.360.0030.01314.28
5.6.350.0070.00814.10
5.6.340.0070.00714.43
5.6.330.0070.00714.34
5.6.320.0070.00414.31
5.6.310.0030.00613.96
5.6.300.0070.00414.27
5.6.290.0040.00414.30
5.6.280.0050.04017.53
5.6.270.0090.00314.11
5.6.260.0030.00614.17
5.6.250.0070.00414.23
5.6.240.0030.00914.55
5.6.230.0100.00314.13
5.6.220.0030.01014.37
5.6.210.0040.03917.36
5.6.200.0050.02816.20
5.6.190.0080.02317.47
5.6.180.0150.04717.27
5.6.170.0150.02417.32
5.6.160.0030.02717.29
5.6.150.0030.02516.22
5.6.140.0010.03116.22
5.6.130.0100.02016.32
5.6.120.0050.02517.64
5.6.110.0050.04417.71
5.6.100.0090.04417.48
5.6.90.0070.04717.61
5.6.80.0140.03517.22
5.6.70.1890.02317.08
5.6.60.0070.00714.09
5.6.50.0040.00814.14
5.6.40.0060.00614.19
5.6.30.0080.00813.91
5.6.20.0050.00514.55
5.6.10.0030.01114.20
5.6.00.0040.01114.16
5.5.380.0000.00811.17
5.5.370.0030.00611.23
5.5.360.0040.00710.99
5.5.350.0110.04215.69
5.5.340.0090.02914.42
5.5.330.0100.02815.61
5.5.320.0100.04515.53
5.5.310.0180.01815.47
5.5.300.0050.04014.35
5.5.290.0050.02214.39
5.5.280.0000.03315.89
5.5.270.0110.03615.95
5.5.260.0030.03715.74
5.5.250.0080.04115.89
5.5.240.0120.04115.51
5.5.230.0060.00011.01
5.5.220.0040.00510.95
5.5.210.0000.00611.05
5.5.200.0120.00010.88
5.5.190.0070.00310.98
5.5.180.0040.00710.91
5.5.170.0120.00010.96
5.5.160.0080.00010.95
5.5.150.0100.00310.80
5.5.140.0030.00511.06
5.5.130.0000.01010.98
5.5.120.0000.01011.11
5.5.110.0000.01110.78
5.5.100.0090.00311.07
5.5.90.0000.00910.96
5.5.80.0030.01011.13
5.5.70.0000.00810.88
5.5.60.0070.00310.57
5.5.50.0060.00610.81
5.5.40.0030.01010.72
5.5.30.0040.00810.69
5.5.20.0030.01010.95
5.5.10.0000.01010.83
5.5.00.0030.00910.95
5.4.450.0570.04215.02
5.4.440.0520.04415.05
5.4.430.0420.03615.35
5.4.420.0380.00015.14
5.4.410.0330.00315.04
5.4.400.0350.00214.89
5.4.390.0350.00015.05
5.4.380.0340.00215.13
5.4.370.0320.00214.79
5.4.360.0360.00114.87
5.4.350.0330.00414.92
5.4.340.0040.02111.30
5.4.330.0030.00910.83
5.4.320.0070.02111.62
5.4.310.0090.02111.62
5.4.300.0080.02211.64
5.4.290.0020.03011.72
5.4.280.0050.02011.51
5.4.270.0020.02311.62
5.4.260.0060.02211.63
5.4.250.0040.02411.59
5.4.240.0020.02211.64
5.4.230.0150.02211.63
5.4.220.0050.02311.59
5.4.210.0090.01811.65
5.4.200.0020.02411.74
5.4.190.0050.02411.57
5.4.180.0030.02211.63
5.4.170.0060.02311.63
5.4.160.0060.02111.54
5.4.150.0150.02211.44
5.4.140.0060.02011.63
5.4.130.0050.02311.37
5.4.120.0100.02111.49
5.4.110.0100.01811.24
5.4.100.0090.02211.57
5.4.90.0100.02111.34
5.4.80.0010.02611.36
5.4.70.0100.02211.32
5.4.60.0070.01911.38
5.4.50.0070.02011.52
5.4.40.0070.01611.32
5.4.30.0090.01911.39
5.4.20.0050.02111.48
5.4.10.0060.02011.29
5.4.00.0090.02211.20
5.3.290.0040.02411.58
5.3.280.0020.02411.49
5.3.270.0030.02511.47
5.3.260.0050.02311.53
5.3.250.0070.02011.48
5.3.240.0060.02411.43
5.3.230.0070.02011.46
5.3.220.0090.02011.41
5.3.210.0060.02211.36
5.3.200.0050.02411.39
5.3.190.0070.02611.39
5.3.180.0120.01711.48
5.3.170.0090.01911.40
5.3.160.0100.01811.43
5.3.150.0070.01911.54
5.3.140.0050.02111.41
5.3.130.0040.02411.44
5.3.120.0070.02511.50
5.3.110.0050.02911.48
5.3.100.0080.01911.05
5.3.90.0050.02211.10
5.3.80.0040.02011.02
5.3.70.0070.01911.09
5.3.60.0080.02011.05
5.3.50.0050.02210.98
5.3.40.0040.02411.04
5.3.30.0040.02211.05
5.3.20.0070.02010.94
5.3.10.0100.01610.82
5.3.00.0060.02110.81
5.2.170.0060.0169.57
5.2.160.0030.0189.56
5.2.150.0070.0169.56
5.2.140.0060.0169.56
5.2.130.0060.0169.54
5.2.120.0050.0169.54
5.2.110.0040.0189.55
5.2.100.0040.0169.55
5.2.90.0060.0169.55
5.2.80.0090.0199.54
5.2.70.0050.0219.54
5.2.60.0030.0179.52
5.2.50.0040.0179.51
5.2.40.0060.0179.49
5.2.30.0060.0189.48
5.2.20.0050.0219.47
5.2.10.0030.0219.44
5.2.00.0050.0199.37
5.1.60.0030.0169.01
5.1.50.0040.0159.01
5.1.40.0040.0149.00
5.1.30.0040.0169.17
5.1.20.0020.0199.18
5.1.10.0040.0149.04
5.1.00.0050.0139.04
5.0.50.0050.0128.28
5.0.40.0020.0158.21
5.0.30.0020.0188.12
5.0.20.0050.0108.10
5.0.10.0030.0118.09
5.0.00.0040.0158.09
4.4.90.0020.0107.37
4.4.80.0030.0097.36
4.4.70.0020.0127.36
4.4.60.0020.0107.36
4.4.50.0010.0117.36
4.4.40.0020.0177.33
4.4.30.0030.0087.36
4.4.20.0030.0087.40
4.4.10.0020.0097.40
4.4.00.0020.0147.36
4.3.110.0030.0107.31
4.3.100.0030.0097.31
4.3.90.0040.0097.29
4.3.80.0050.0137.27
4.3.70.0010.0107.29
4.3.60.0010.0107.29
4.3.50.0030.0097.29
4.3.40.0040.0157.25
4.3.30.0030.0106.62
4.3.20.0030.0106.61
4.3.10.0040.0116.59
4.3.00.0050.0118.62

preferences:
89.74 ms | 401 KiB | 5 Q