3v4l.org

run code in 300+ PHP versions simultaneously
<?php $pattern = '/((?<!\w)#\w+)/i'; $subject = <<<EOT Blablalb #toto zdjsdf #ho_yeah EOT; $result = []; preg_match_all('/((?<!\w)#\w+)/i', $subject, $result); var_dump($result);

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)
8.3.40.0070.00718.89
8.3.30.0060.00918.96
8.3.20.0090.00020.34
8.3.10.0080.00023.61
8.3.00.0040.00420.95
8.2.170.0120.00322.96
8.2.160.0100.00320.30
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0080.00020.85
8.2.110.0090.00019.33
8.2.100.0110.00017.90
8.2.90.0000.00918.98
8.2.80.0040.00417.97
8.2.70.0040.00417.38
8.2.60.0040.00417.93
8.2.50.0030.00618.07
8.2.40.0080.00021.25
8.2.30.0040.00418.13
8.2.20.0000.00717.75
8.2.10.0040.00418.08
8.2.00.0000.00817.75
8.1.270.0030.00623.96
8.1.260.0030.00526.35
8.1.250.0020.00528.09
8.1.240.0070.00322.19
8.1.230.0040.00819.00
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0000.01017.25
8.1.190.0080.00017.35
8.1.180.0050.00318.10
8.1.170.0030.00518.56
8.1.160.0020.00521.89
8.1.150.0000.00818.72
8.1.140.0000.00817.44
8.1.130.0000.00817.77
8.1.120.0040.00417.54
8.1.110.0000.00817.51
8.1.100.0000.00717.55
8.1.90.0040.00417.52
8.1.80.0040.00417.59
8.1.70.0000.00717.49
8.1.60.0030.00617.72
8.1.50.0040.00417.50
8.1.40.0040.00417.64
8.1.30.0000.00817.64
8.1.20.0070.00017.59
8.1.10.0040.00417.66
8.1.00.0040.00417.52
8.0.300.0080.00020.04
8.0.290.0060.00316.88
8.0.280.0040.00418.40
8.0.270.0050.00217.12
8.0.260.0040.00417.22
8.0.250.0000.00617.14
8.0.240.0030.00616.99
8.0.230.0040.00417.07
8.0.220.0030.00317.01
8.0.210.0000.00716.98
8.0.200.0000.00716.98
8.0.190.0030.00317.13
8.0.180.0070.00016.94
8.0.170.0050.00317.04
8.0.160.0050.00316.96
8.0.150.0000.00716.88
8.0.140.0040.00417.02
8.0.130.0000.00513.42
8.0.120.0040.00416.90
8.0.110.0000.00817.07
8.0.100.0040.00416.97
8.0.90.0000.00717.14
8.0.80.0150.00016.91
8.0.70.0040.00416.90
8.0.60.0000.00816.84
8.0.50.0040.00417.05
8.0.30.0100.01017.22
8.0.20.0060.01317.40
8.0.10.0020.00516.97
8.0.00.0100.00816.83
7.4.330.0000.00515.16
7.4.320.0060.00016.66
7.4.300.0030.00316.53
7.4.290.0000.00816.64
7.4.280.0000.00816.62
7.4.270.0040.00416.62
7.4.260.0000.00716.71
7.4.250.0000.00816.56
7.4.240.0050.00316.62
7.4.230.0000.00816.57
7.4.220.0090.01016.70
7.4.210.0110.00916.74
7.4.200.0040.00416.62
7.4.190.0050.00316.61
7.4.160.0120.00316.70
7.4.150.0030.01517.40
7.4.140.0050.01717.86
7.4.130.0090.00916.63
7.4.120.0090.00816.68
7.4.110.0100.00716.61
7.4.100.0100.00716.57
7.4.90.0060.01216.37
7.4.80.0130.01319.39
7.4.70.0120.00916.63
7.4.60.0060.01116.54
7.4.50.0040.00416.52
7.4.40.0030.01416.63
7.4.30.0180.00016.53
7.4.10.0040.01415.16
7.4.00.0090.00815.06
7.3.330.0050.00013.25
7.3.320.0030.00313.07
7.3.310.0000.00716.31
7.3.300.0000.00616.30
7.3.290.0120.00316.38
7.3.280.0080.01016.37
7.3.270.0190.00717.40
7.3.260.0090.00916.54
7.3.250.0080.01016.36
7.3.240.0050.01116.39
7.3.230.0110.00616.52
7.3.210.0170.00316.39
7.3.200.0140.00319.39
7.3.190.0120.01116.40
7.3.180.0140.00316.57
7.3.170.0170.00316.37
7.3.160.0060.00916.35
7.3.130.0080.00814.96
7.3.120.0060.01214.89
7.3.110.0080.00914.97
7.3.100.0020.01515.02
7.3.90.0050.01215.02
7.3.80.0060.00614.85
7.3.70.0050.00914.84
7.3.60.0020.01414.90
7.3.50.0060.01114.86
7.3.40.0080.00714.73
7.3.30.0070.00614.82
7.3.20.0100.00716.84
7.3.10.0090.00816.39
7.3.00.0080.00916.58
7.2.330.0090.00916.38
7.2.320.0100.01416.71
7.2.310.0030.01316.54
7.2.300.0030.01516.54
7.2.290.0110.00516.48
7.2.260.0130.00314.73
7.2.250.0030.01415.06
7.2.240.0060.01114.83
7.2.230.0060.00914.87
7.2.220.0070.01015.14
7.2.210.0090.00815.05
7.2.200.0100.00214.89
7.2.190.0090.00715.04
7.2.180.0050.00815.17
7.2.170.0040.01114.94
7.2.160.0060.00315.00
7.2.150.0170.00017.01
7.2.140.0060.00917.05
7.2.130.0130.00716.72
7.2.120.0080.00716.61
7.2.110.0130.00616.66
7.2.100.0040.01316.60
7.2.90.0060.01116.70
7.2.80.0130.00616.83
7.2.70.0160.00416.70
7.2.60.0150.00716.84
7.2.50.0040.01416.76
7.2.40.0040.01516.82
7.2.30.0100.01116.86
7.2.20.0120.00216.54
7.2.10.0100.01016.72
7.2.00.0060.01017.68
7.1.330.0070.00515.98
7.1.320.0080.00715.63
7.1.310.0060.00716.00
7.1.300.0050.01015.96
7.1.290.0090.00515.84
7.1.280.0090.00515.83
7.1.270.0090.00815.90
7.1.260.0070.00515.95
7.1.250.0070.01015.67
7.1.240.0090.00315.54
7.1.230.0090.00616.00
7.1.220.0060.00315.87
7.1.210.0100.00715.81
7.1.200.0060.00815.80
7.1.190.0040.00415.84
7.1.180.0070.00715.94
7.1.170.0000.00815.84
7.1.160.0070.00715.63
7.1.150.0090.00616.01
7.1.140.0040.00816.00
7.1.130.0040.01115.90
7.1.120.0030.01015.98
7.1.110.0120.00015.98
7.1.100.0050.00717.12
7.1.90.0080.00015.86
7.1.80.0030.00715.85
7.1.70.0000.00816.57
7.1.60.0060.01117.49
7.1.50.0070.00516.41
7.1.40.0040.00415.77
7.1.30.0070.00415.93
7.1.20.0080.00815.62
7.1.10.0070.00715.93
7.1.00.0030.04519.25
7.0.330.0040.01115.54
7.0.320.0060.00315.62
7.0.310.0040.01115.61
7.0.300.0040.00415.51
7.0.290.0070.00315.57
7.0.280.0090.00415.28
7.0.270.0000.01015.62
7.0.260.0040.00815.43
7.0.250.0080.00015.77
7.0.240.0070.00315.67
7.0.230.0000.01215.68
7.0.220.0030.00615.44
7.0.210.0030.01015.34
7.0.200.0040.00416.13
7.0.190.0110.00315.27
7.0.180.0120.00015.46
7.0.170.0080.00415.23
7.0.160.0030.00615.50
7.0.150.0070.00715.60
7.0.140.0070.03718.65
7.0.130.0040.01115.71
7.0.120.0060.01215.63
7.0.110.0030.01315.68
7.0.100.0030.00715.49
7.0.90.0060.00615.52
7.0.80.0030.01015.28
7.0.70.0040.01115.27
7.0.60.0110.03817.55
7.0.50.0100.04616.58
7.0.40.0100.03516.65
7.0.30.0220.03716.91
7.0.20.0150.03916.85
7.0.10.0120.04916.88
7.0.00.0060.04816.71
5.6.400.0000.00914.32
5.6.390.0030.00614.58
5.6.380.0000.01314.58
5.6.370.0000.00814.50
5.6.360.0070.00714.49
5.6.350.0060.00914.29
5.6.340.0040.00714.61
5.6.330.0040.00814.51
5.6.320.0090.00614.41
5.6.310.0030.01014.30
5.6.300.0070.00713.79
5.6.290.0000.00814.45
5.6.280.0040.04217.64
5.6.270.0100.00314.20
5.6.260.0060.01214.36
5.6.250.0090.00314.05
5.6.240.0110.00414.11
5.6.230.0060.01214.45
5.6.220.0060.00614.22
5.6.210.0110.03217.52
5.6.200.0030.02916.13
5.6.190.0050.04317.33
5.6.180.1760.02517.38
5.6.170.0150.04617.53
5.6.160.0070.04717.45
5.6.150.0020.03016.11
5.6.140.0110.03216.11
5.6.130.0090.02816.23
5.6.120.0080.04517.53
5.6.110.0070.04217.65
5.6.100.0050.03217.82
5.6.90.0170.03717.67
5.6.80.0030.04317.21
5.6.70.0120.03417.20
5.6.60.0090.00614.03
5.6.50.0090.00614.22
5.6.40.0070.00714.09
5.6.30.0030.01014.38
5.6.20.0060.01113.93
5.6.10.0000.01214.16
5.6.00.0090.00314.48
5.5.380.0000.01314.44
5.5.370.0140.00714.18
5.5.360.0040.01414.38
5.5.350.0100.02217.38
5.5.340.0120.03316.06
5.5.330.0050.03017.30
5.5.320.0210.02117.43
5.5.310.0170.03917.28
5.5.300.0100.04016.20
5.5.290.0080.03716.04
5.5.280.0070.03917.53
5.5.270.0040.02217.61
5.5.260.0080.04417.71
5.5.250.0080.04717.51
5.5.240.0090.03817.21
5.5.230.0070.00413.96
5.5.220.0040.01114.15
5.5.210.0030.01014.14
5.5.200.0060.00914.16
5.5.190.0050.00813.95
5.5.180.0030.01014.01
5.5.170.0060.00614.25
5.5.160.0090.00314.29
5.5.150.0030.01014.25
5.5.140.0060.00614.05
5.5.130.0040.00414.02
5.5.120.0070.00714.01
5.5.110.0070.00414.17
5.5.100.0110.00414.34
5.5.90.0070.00713.97
5.5.80.0090.00314.05
5.5.70.0000.01114.32
5.5.60.0040.01214.16
5.5.50.0110.00414.14
5.5.40.0030.01014.04
5.5.30.0040.00814.29
5.5.20.0040.00814.19
5.5.10.0100.00314.37
5.5.00.0060.00314.06
5.4.450.0430.03315.17
5.4.440.0350.04015.22
5.4.430.0130.02715.19
5.4.420.0330.00315.14
5.4.410.0070.03014.93
5.4.400.0130.03014.70
5.4.390.0150.03514.91
5.4.380.0060.03014.83
5.4.370.0300.02014.74
5.4.360.0130.02014.67
5.4.350.0090.02611.52
5.4.340.0060.02611.41
5.4.330.0030.00611.01
5.4.320.0050.02211.68
5.4.310.0040.02511.64
5.4.300.0080.02711.53
5.4.290.0080.01811.74
5.4.280.0050.02011.49
5.4.270.0040.02211.60
5.4.260.0030.02211.50
5.4.250.0030.02311.63
5.4.240.0060.02211.60
5.4.230.0040.02111.56
5.4.220.0040.03111.64
5.4.210.0090.02411.60
5.4.200.0040.02511.58
5.4.190.0060.02011.54
5.4.180.0040.02411.60
5.4.170.0030.02411.63
5.4.160.0040.02011.74
5.4.150.0050.02511.74
5.4.140.0080.01911.44
5.4.130.0040.02011.37
5.4.120.0020.02711.48
5.4.110.0060.02111.42
5.4.100.0070.01911.32
5.4.90.0050.02311.31
5.4.80.0050.02711.47
5.4.70.0070.02111.51
5.4.60.0040.02211.45
5.4.50.0050.01911.50
5.4.40.0070.02111.44
5.4.30.0050.02811.49
5.4.20.0110.02411.41
5.4.10.0040.02211.46
5.4.00.0050.02211.20
5.3.290.0060.02411.46
5.3.280.0030.02411.47
5.3.270.0040.03011.42
5.3.260.0040.03111.47
5.3.250.0030.03811.37
5.3.240.0040.03111.39
5.3.230.0030.03311.38
5.3.220.0060.03111.40
5.3.210.0060.03111.38
5.3.200.0050.02411.31
5.3.190.0020.02711.34
5.3.180.0060.02111.51
5.3.170.0080.02011.51
5.3.160.0060.02211.50
5.3.150.0090.03111.40
5.3.140.0060.02211.45
5.3.130.0100.02111.31
5.3.120.0060.02411.42
5.3.110.0070.02311.35
5.3.100.0070.02711.20
5.3.90.0050.02111.18
5.3.80.0050.02311.13
5.3.70.0040.03511.17
5.3.60.0060.02311.12
5.3.50.0050.02611.08
5.3.40.0050.02411.08
5.3.30.0050.02211.04
5.3.20.0080.02310.85
5.3.10.0030.02310.70
5.3.00.0050.02310.83
5.2.170.0080.0439.18
5.2.160.0080.0329.18
5.2.150.0080.0449.18
5.2.140.0050.0329.18
5.2.130.0050.0459.14
5.2.120.0060.0339.14
5.2.110.0080.0379.15
5.2.100.0040.0429.14
5.2.90.0050.0449.14
5.2.80.0060.0429.14
5.2.70.0080.0289.14
5.2.60.0040.0449.09
5.2.50.0060.0429.05
5.2.40.0070.0289.04
5.2.30.0070.0409.01
5.2.20.0030.0319.00
5.2.10.0060.0328.93
5.2.00.0070.0448.78
5.1.60.0060.0278.07
5.1.50.0070.0328.07
5.1.40.0040.0368.05
5.1.30.0060.0388.40
5.1.20.0020.0418.42
5.1.10.0070.0338.14
5.1.00.0050.0258.14
5.0.50.0040.0286.63
5.0.40.0050.0276.48
5.0.30.0040.0426.29
5.0.20.0040.0276.26
5.0.10.0020.0306.24
5.0.00.0020.0426.23
4.4.90.0040.0224.78
4.4.80.0040.0214.75
4.4.70.0040.0214.76
4.4.60.0040.0214.75
4.4.50.0030.0224.77
4.4.40.0040.0334.71
4.4.30.0040.0214.76
4.4.20.0030.0234.84
4.4.10.0020.0244.85
4.4.00.0060.0304.76
4.3.110.0020.0174.67
4.3.100.0060.0194.67
4.3.90.0040.0134.63
4.3.80.0040.0244.59
4.3.70.0040.0204.63
4.3.60.0040.0214.63
4.3.50.0040.0214.63
4.3.40.0020.0244.54
4.3.30.0020.0163.29
4.3.20.0020.0173.26
4.3.10.0020.0173.22
4.3.00.0030.0206.37

preferences:
44.37 ms | 400 KiB | 5 Q