3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = ' #chapter 1: title 1 content chapter 1 line 1 content chapter 1 line 2 content chapter 1 line 3 content chapter 1 line 4 #chapter 2: title 2 content chapter 2 line 1 '; preg_match_all('/#Chapter\h+\d+:\h+title\h+\d+\K(?:\R(?!#chapter).*)*/i',$str, $match); print_r($match[0]);

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)
8.4.120.0110.00924.21
8.4.110.0130.00718.98
8.4.100.0110.00818.79
8.4.90.0070.00520.31
8.4.80.0070.00719.15
8.4.70.0120.00819.05
8.4.60.0060.00219.00
8.4.50.0100.01020.47
8.4.40.0060.01319.65
8.4.30.0160.00322.20
8.4.20.0070.01320.82
8.4.10.0030.00617.71
8.3.250.0080.01018.84
8.3.240.0040.00417.24
8.3.230.0130.00616.79
8.3.220.0120.00618.86
8.3.210.0100.00518.36
8.3.200.0060.00316.79
8.3.190.0130.00617.20
8.3.180.0090.01116.59
8.3.170.0120.00617.14
8.3.160.0110.00718.36
8.3.150.0030.00520.59
8.3.140.0110.00716.84
8.3.130.0030.00618.33
8.3.120.0030.00619.16
8.3.110.0030.00516.53
8.3.100.0060.00319.94
8.3.90.0070.00018.48
8.3.80.0060.00318.43
8.3.70.0140.00718.32
8.3.60.0210.00018.56
8.3.50.0120.00819.25
8.3.40.0140.00018.96
8.3.30.0110.00418.78
8.3.20.0040.00421.77
8.3.10.0030.00521.91
8.3.00.0000.00723.54
8.2.290.0060.00320.70
8.2.280.0120.00720.18
8.2.270.0110.00819.07
8.2.260.0060.01216.72
8.2.250.0050.00316.62
8.2.240.0080.00018.58
8.2.230.0060.00320.94
8.2.220.0040.00424.06
8.2.210.0190.00026.77
8.2.200.0140.00016.63
8.2.190.0110.00716.63
8.2.180.0090.00916.75
8.2.170.0070.01322.96
8.2.160.0140.00721.19
8.2.150.0080.00024.18
8.2.140.0060.00324.66
8.2.130.0080.00026.16
8.2.120.0060.00318.98
8.2.110.0060.00320.87
8.2.100.0060.00617.91
8.2.90.0100.00017.68
8.2.80.0060.00317.97
8.2.70.0050.00317.93
8.2.60.0040.00418.16
8.2.50.0060.00318.10
8.2.40.0000.00720.45
8.2.30.0000.00719.16
8.2.20.0030.00618.09
8.2.10.0080.00019.14
8.2.00.0000.00719.20
8.1.330.0070.01121.89
8.1.320.0140.00518.39
8.1.310.0110.00716.65
8.1.300.0000.01017.71
8.1.290.0030.00618.88
8.1.280.0140.00325.92
8.1.270.0060.00323.73
8.1.260.0000.00926.35
8.1.250.0040.00428.09
8.1.240.0060.00322.06
8.1.230.0070.00420.98
8.1.220.0030.00617.74
8.1.210.0060.00318.77
8.1.200.0060.00317.47
8.1.190.0000.01017.22
8.1.180.0050.00318.10
8.1.170.0050.00318.63
8.1.160.0020.00518.78
8.1.150.0000.00718.85
8.1.140.0000.00718.86
8.1.130.0040.00419.33
8.1.120.0040.00417.50
8.1.110.0050.00617.45
8.1.100.0000.00717.45
8.1.90.0030.00617.57
8.1.80.0040.00417.50
8.1.70.0060.00317.43
8.1.60.0000.00817.68
8.1.50.0060.00317.65
8.1.40.0030.00617.56
8.1.30.0000.00917.75
8.1.20.0040.00417.80
8.1.10.0000.00817.70
8.1.00.0040.00417.62
8.0.300.0040.00419.95
8.0.290.0000.00816.63
8.0.280.0070.00018.46
8.0.270.0040.00416.79
8.0.260.0000.00716.91
8.0.250.0030.00317.06
8.0.240.0000.00716.96
8.0.230.0030.00617.05
8.0.220.0040.00416.85
8.0.210.0050.00216.96
8.0.200.0000.00716.97
8.0.190.0030.00617.06
8.0.180.0050.00316.87
8.0.170.0000.00917.02
8.0.160.0040.00417.05
8.0.150.0040.00416.90
8.0.140.0070.00016.92
8.0.130.0000.00513.38
8.0.120.0000.00716.86
8.0.110.0040.00416.89
8.0.100.0000.00817.05
8.0.90.0040.00416.83
8.0.80.0030.01016.96
8.0.70.0000.00816.95
8.0.60.0040.00416.96
8.0.50.0040.00417.02
8.0.30.0070.01117.12
8.0.20.0090.00917.24
8.0.10.0030.00517.11
8.0.00.0080.00916.88
7.4.330.0000.00515.55
7.4.320.0030.00316.67
7.4.300.0000.00616.76
7.4.290.0000.00716.61
7.4.280.0000.00816.67
7.4.270.0040.00416.68
7.4.260.0030.00316.62
7.4.250.0040.00416.63
7.4.240.0040.00416.72
7.4.230.0030.00316.56
7.4.220.0030.00616.70
7.4.210.0070.00716.79
7.4.200.0040.00316.79
7.4.130.0110.00916.56
7.4.120.0100.00716.75
7.4.110.0090.01216.79
7.4.100.0130.01016.71
7.4.90.0070.01116.68
7.4.80.0080.00919.39
7.4.70.0070.01716.53
7.4.60.0070.01416.53
7.4.50.0000.01316.71
7.4.40.0060.01216.62
7.4.00.0070.01115.25
7.3.330.0000.00513.19
7.3.320.0050.00013.25
7.3.310.0040.00316.30
7.3.300.0000.00816.39
7.3.290.0070.00016.20
7.3.280.0080.01016.32
7.3.260.0120.00616.58
7.3.240.0090.00916.64
7.3.230.0100.00716.77
7.3.210.0090.00916.47
7.3.200.0030.01816.41
7.3.190.0130.01016.57
7.3.180.0030.01716.31
7.3.170.0150.00916.45
7.3.160.0100.00716.47
7.3.60.0090.00514.59
7.3.50.0070.00714.65
7.3.40.0030.01014.70
7.3.30.0070.00714.71
7.3.20.0030.01316.70
7.3.10.0090.00416.75
7.3.00.0080.00816.44
7.2.330.0090.01216.74
7.2.320.0030.01516.77
7.2.310.0060.01216.43
7.2.300.0140.00316.78
7.2.290.0080.01116.69
7.2.190.0060.00914.82
7.2.180.0040.01114.75
7.2.170.0090.00614.80
7.2.160.0060.00914.95
7.2.150.0060.00816.88
7.2.140.0140.00316.71
7.2.130.0080.00816.93
7.2.120.0090.00816.99
7.2.110.0110.00316.79
7.2.100.0040.01216.99
7.2.90.0040.01217.06
7.2.80.0090.00617.04
7.2.70.0070.00716.84
7.2.60.0060.00917.00
7.2.50.0130.00317.06
7.2.40.0070.01517.03
7.2.30.0130.00316.92
7.2.20.0030.01016.71
7.2.10.0030.01416.71
7.2.00.0090.00916.78
7.1.300.0000.01215.88
7.1.290.0060.00615.98
7.1.280.0050.00915.55
7.1.270.0090.00615.87
7.1.260.0090.00615.59
7.1.250.0130.00015.71

preferences:
28.92 ms | 403 KiB | 5 Q