3v4l.org

run code in 300+ PHP versions simultaneously
<?php $subject = <<<EOL 1. first 2. second 3. third EOL; preg_match('/^.{1,20}?$/i', $subject, $matches); var_dump($matches); $subject = "qasd\nasdasd\nasda"; preg_match_all('/^(.{1,20}?)$/i', $subject, $matches, PREG_PATTERN_ORDER); var_dump($matches);

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)
8.3.70.0070.00716.50
8.3.60.0070.01116.75
8.3.50.0130.00722.16
8.3.40.0150.00018.84
8.3.30.0000.01419.04
8.3.20.0040.00420.16
8.3.10.0050.00323.70
8.3.00.0040.00420.79
8.2.180.0120.00918.39
8.2.170.0070.01022.96
8.2.160.0070.00720.38
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0070.00026.16
8.2.120.0070.00020.39
8.2.110.0090.00022.18
8.2.100.0070.01117.97
8.2.90.0040.00419.22
8.2.80.0060.00317.97
8.2.70.0030.00617.75
8.2.60.0080.00017.80
8.2.50.0000.00818.07
8.2.40.0050.00320.07
8.2.30.0060.00318.20
8.2.20.0040.00417.88
8.2.10.0000.00718.06
8.2.00.0070.00317.78
8.1.280.0140.00725.92
8.1.270.0050.00324.04
8.1.260.0030.00526.35
8.1.250.0080.00028.09
8.1.240.0080.00022.09
8.1.230.0080.00419.16
8.1.220.0000.00817.74
8.1.210.0030.00518.77
8.1.200.0090.00017.48
8.1.190.0030.00617.23
8.1.180.0040.00819.01
8.1.170.0040.00418.57
8.1.160.0040.00422.02
8.1.150.0040.00418.74
8.1.140.0070.00017.55
8.1.130.0070.00017.84
8.1.120.0030.00617.55
8.1.110.0040.00417.58
8.1.100.0070.00017.51
8.1.90.0050.00317.53
8.1.80.0090.00017.57
8.1.70.0000.00717.46
8.1.60.0050.00517.67
8.1.50.0040.00417.48
8.1.40.0090.00017.57
8.1.30.0000.00917.73
8.1.20.0000.00717.64
8.1.10.0080.00017.59
8.1.00.0030.00617.59
8.0.300.0070.00018.77
8.0.290.0000.00717.05
8.0.280.0030.00318.33
8.0.270.0040.00417.21
8.0.260.0030.00318.44
8.0.250.0030.00317.02
8.0.240.0030.00317.04
8.0.230.0030.00316.95
8.0.220.0030.00317.04
8.0.210.0030.00317.05
8.0.200.0030.00317.10
8.0.190.0040.00416.98
8.0.180.0000.00717.07
8.0.170.0040.00417.09
8.0.160.0000.00716.98
8.0.150.0000.00716.92
8.0.140.0000.00717.02
8.0.130.0000.00613.47
8.0.120.0000.00816.99
8.0.110.0000.00716.98
8.0.100.0040.00417.10
8.0.90.0000.00717.11
8.0.80.0090.00617.10
8.0.70.0040.00417.15
8.0.60.0000.00716.95
8.0.50.0040.00416.90
8.0.30.0090.01117.17
8.0.20.0090.00917.40
8.0.10.0000.00716.94
8.0.00.0050.01316.69
7.4.330.0000.00515.00
7.4.320.0030.00316.74
7.4.300.0030.00316.73
7.4.290.0050.00516.75
7.4.280.0070.00016.55
7.4.270.0050.00316.55
7.4.260.0040.00416.70
7.4.250.0040.00416.71
7.4.240.0030.00416.57
7.4.230.0000.00816.74
7.4.220.0090.00916.84
7.4.210.0060.00916.74
7.4.200.0000.00716.63
7.4.190.0040.00416.88
7.4.160.0090.00616.75
7.4.150.0180.00017.40
7.4.140.0120.00717.86
7.4.130.0090.00816.71
7.4.120.0100.01116.63
7.4.110.0090.00916.73
7.4.100.0140.00716.73
7.4.90.0120.00916.54
7.4.80.0140.00319.39
7.4.70.0060.01216.74
7.4.60.0130.00616.52
7.4.50.0040.00416.81
7.4.40.0060.00916.61
7.4.30.0030.01916.62
7.4.00.0090.00814.92
7.3.330.0030.00313.22
7.3.320.0030.00313.06
7.3.310.0040.00416.40
7.3.300.0070.00016.34
7.3.290.0140.00716.32
7.3.280.0080.01116.39
7.3.270.0100.00817.40
7.3.260.0080.00816.42
7.3.250.0100.01116.43
7.3.240.0070.01016.29
7.3.230.0130.00316.39
7.3.210.0080.00816.61
7.3.200.0130.01019.39
7.3.190.0070.01016.29
7.3.180.0040.01216.52
7.3.170.0050.01116.68
7.3.160.0090.00616.48
7.3.120.0090.00915.17
7.3.110.0000.01314.90
7.3.100.0060.01315.11
7.3.90.0070.00715.05
7.3.80.0000.01814.84
7.3.70.0040.01114.69
7.3.60.0030.01014.95
7.3.50.0070.01114.82
7.3.40.0060.00614.92
7.3.30.0090.00314.97
7.3.20.0070.00716.81
7.3.10.0030.01016.75
7.3.00.0070.01016.62
7.2.330.0060.01216.59
7.2.320.0130.01016.56
7.2.310.0100.01016.62
7.2.300.0120.00616.64
7.2.290.0090.01216.73
7.2.250.0000.01814.95
7.2.240.0000.01914.73
7.2.230.0030.01415.02
7.2.220.0110.00414.94
7.2.210.0070.01015.05
7.2.200.0040.01115.13
7.2.190.0070.01014.79
7.2.180.0090.00914.99
7.2.170.0000.01415.12
7.1.330.0060.00916.04
7.1.320.0000.01215.63
7.1.310.0030.01215.86
7.1.300.0090.00915.98
7.1.290.0060.01015.91
7.1.280.0070.00715.62
7.1.270.0070.00716.05
7.1.260.0040.01115.90
7.1.70.0120.00817.22
7.1.60.0030.02119.46
7.1.50.0190.00317.06
7.1.00.0100.07022.46
7.0.200.0030.00516.77
7.0.140.0030.07322.11
7.0.60.0130.07019.94
7.0.50.0130.04317.80
7.0.40.0070.05720.01
7.0.30.0230.03720.23
7.0.20.0270.07720.40
7.0.10.0170.05720.05
7.0.00.0070.09020.18
5.6.280.0000.07720.81
5.6.210.0030.08720.46
5.6.200.0000.08018.20
5.6.190.0100.08020.41
5.6.180.0330.04320.52
5.6.170.0270.07720.33
5.6.160.0100.06320.41
5.6.150.0030.08718.17
5.6.140.0130.04718.21
5.6.130.0030.08718.18
5.6.120.0030.06720.98
5.6.110.0130.07321.13
5.6.100.0070.04021.00
5.6.90.0130.06720.99
5.6.80.0100.08020.39
5.5.350.0230.06020.43
5.5.340.0130.03317.91
5.5.330.0100.05020.06
5.5.320.0030.06320.27
5.5.310.0230.04020.21
5.5.300.0070.08017.96
5.5.290.0030.04017.95
5.5.280.0070.08320.76
5.5.270.0030.07020.86
5.5.260.0100.08020.86
5.5.250.0130.05320.49
5.5.240.0100.07320.23
5.4.450.0000.08019.42
5.4.440.0100.07019.41
5.4.430.0030.07719.41
5.4.420.0030.08019.59
5.4.410.0070.07719.30
5.4.400.0030.07319.09
5.4.390.0030.03719.13
5.4.380.0030.03719.13
5.4.370.0100.06019.23
5.4.360.0030.07719.22
5.4.350.0070.07319.25
5.4.340.0130.07019.24
5.4.320.0070.06318.85
5.4.310.0100.07019.25
5.4.300.0070.05019.13
5.4.290.0100.04019.09
5.4.280.0100.06319.08
5.4.270.0030.07319.10
5.4.260.0030.07318.88
5.4.250.0000.07718.80
5.4.240.0070.05019.13
5.4.230.0030.05319.08
5.4.220.0070.07018.80
5.4.210.0000.05018.91
5.4.200.0030.05319.25
5.4.190.0030.07019.07
5.4.180.0000.06719.09
5.4.170.0100.07019.12
5.4.160.0030.07719.20
5.4.150.0000.07718.76
5.4.140.0030.04716.41
5.4.130.0000.07016.31
5.4.120.0030.07016.29
5.4.110.0030.07016.21
5.4.100.0030.05016.21
5.4.90.0000.07016.44
5.4.80.0030.06016.37
5.4.70.0030.06716.42
5.4.60.0000.06016.36
5.4.50.0000.07016.46
5.4.40.0070.06316.38
5.4.30.0030.06316.31
5.4.20.0000.07016.18
5.4.10.0030.07716.39
5.4.00.0070.06315.78
5.3.290.0000.06014.57
5.3.280.0070.07314.54
5.3.270.0070.07714.55
5.3.260.0070.07314.43
5.3.250.0030.05014.55
5.3.240.0000.06014.44
5.3.230.0000.08014.43
5.3.220.0030.06314.50
5.3.210.0030.07014.52
5.3.200.0030.07714.65
5.3.190.0000.08014.51
5.3.180.0030.07714.43
5.3.170.0000.07714.41
5.3.160.0000.05014.54
5.3.150.0000.06314.41
5.3.140.0070.04314.39
5.3.130.0130.07014.45
5.3.120.0070.07714.57
5.3.110.0100.06714.49
5.3.100.0030.07314.08
5.3.90.0030.04713.96
5.3.80.0000.07713.87
5.3.70.0070.06313.84
5.3.60.0000.07013.97
5.3.50.0030.05713.97
5.3.40.0000.07313.91
5.3.30.0030.06313.71
5.3.20.0030.04313.57
5.3.10.0000.06313.60
5.3.00.0030.06013.54
5.2.170.0000.04312.01
5.2.160.0070.05712.01
5.2.150.0030.06012.01
5.2.140.0030.05712.01
5.2.130.0070.05712.01
5.2.120.0070.04012.01
5.2.110.0030.06312.01
5.2.100.0030.04312.01
5.2.90.0030.05012.01
5.2.80.0030.03312.01
5.2.70.0000.03012.01
5.2.60.0000.03012.01
5.2.50.0030.06012.01
5.2.40.0000.06012.01
5.2.30.0070.05712.01
5.2.20.0100.04712.01
5.2.10.0130.04312.01
5.2.00.0030.05712.01
5.1.60.0000.03312.01
5.1.50.0070.03012.01
5.1.40.0070.02712.01
5.1.30.0070.03312.01
5.1.20.0000.03312.01
5.1.10.0000.05312.01
5.1.00.0030.05712.01
5.0.50.0030.03312.01
5.0.40.0000.03012.01
5.0.30.0030.05312.01
5.0.20.0000.04712.01
5.0.10.0070.03312.01
5.0.00.0000.04312.01
4.4.90.0000.02012.01
4.4.80.0030.03312.01
4.4.70.0030.03312.01
4.4.60.0030.03312.01
4.4.50.0030.03012.01
4.4.40.0000.03312.01
4.4.30.0030.02012.01
4.4.20.0000.01712.01
4.4.10.0000.03712.01
4.4.00.0030.03012.01
4.3.110.0000.02712.01
4.3.100.0070.02012.01
4.3.90.0030.02312.01
4.3.80.0000.03312.01
4.3.70.0030.03312.01
4.3.60.0030.03012.01
4.3.50.0030.03712.01
4.3.40.0070.04312.01
4.3.30.0000.03712.01
4.3.20.0000.02312.01
4.3.10.0000.02312.01
4.3.00.0030.01712.01

preferences:
42.19 ms | 401 KiB | 5 Q