3v4l.org

run code in 300+ PHP versions simultaneously
<?php $txt = <<< STR foo bar __level [ $save = 123, Info = '1234' ] {Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur.} STR; $txt = preg_replace("/(?=\R)\R(?=.*\R{)/s", '', $txt); print_r($txt);

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)
8.3.60.0150.00618.43
8.3.50.0130.00821.99
8.3.40.0080.01119.05
8.3.30.0140.00718.92
8.3.20.0000.00820.13
8.3.10.0090.00621.89
8.3.00.0070.00022.40
8.2.180.0160.00316.50
8.2.170.0120.00622.96
8.2.160.0100.00721.07
8.2.150.0070.00724.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0080.00019.61
8.2.110.0030.00622.27
8.2.100.0080.00419.70
8.2.90.0090.00019.12
8.2.80.0060.00317.97
8.2.70.0070.00317.88
8.2.60.0000.00818.04
8.2.50.0030.00518.07
8.2.40.0040.00418.34
8.2.30.0050.00218.20
8.2.20.0060.00317.93
8.2.10.0040.00419.59
8.2.00.0030.00519.66
8.1.280.0090.00625.92
8.1.270.0070.00023.99
8.1.260.0000.00826.35
8.1.250.0000.00728.09
8.1.240.0030.00623.96
8.1.230.0070.00419.23
8.1.220.0060.00317.74
8.1.210.0050.00318.77
8.1.200.0040.00717.35
8.1.190.0080.00017.39
8.1.180.0000.00818.57
8.1.170.0080.00018.59
8.1.160.0070.00021.88
8.1.150.0030.00518.73
8.1.140.0040.00417.53
8.1.130.0000.00717.68
8.1.120.0000.00717.46
8.1.110.0040.00417.49
8.1.100.0070.00017.43
8.1.90.0040.00417.45
8.1.80.0030.00617.51
8.1.70.0040.00417.46
8.1.60.0050.00317.70
8.1.50.0070.00017.48
8.1.40.0030.00617.45
8.1.30.0050.00317.74
8.1.20.0030.00617.64
8.1.10.0080.00017.50
8.1.00.0000.00817.43
8.0.300.0040.00418.77
8.0.290.0040.00417.05
8.0.280.0000.00718.48
8.0.270.0040.00417.27
8.0.260.0000.00716.90
8.0.250.0000.00717.18
8.0.240.0050.00217.09
8.0.230.0000.00717.18
8.0.220.0000.00717.10
8.0.210.0030.00317.07
8.0.200.0000.00617.21
8.0.190.0060.00317.14
8.0.180.0040.00417.01
8.0.170.0040.00417.11
8.0.160.0040.00416.97
8.0.150.0000.00817.04
8.0.140.0000.00717.07
8.0.130.0000.00613.59
8.0.120.0090.00017.02
8.0.110.0000.00717.08
8.0.100.0000.00717.08
8.0.90.0040.00417.12
8.0.80.0040.01117.14
8.0.70.0040.00417.09
8.0.60.0000.00817.05
8.0.50.0030.00517.06
8.0.30.0100.01017.24
8.0.20.0100.00917.45
8.0.10.0060.00317.27
8.0.00.0060.01416.71
7.4.330.0000.00515.00
7.4.320.0060.00016.76
7.4.300.0060.00016.64
7.4.290.0030.00316.79
7.4.280.0030.00316.68
7.4.270.0000.00716.73
7.4.260.0070.00016.71
7.4.250.0040.00416.47
7.4.240.0060.00216.67
7.4.230.0000.00716.63
7.4.220.0100.00716.67
7.4.210.0120.00616.65
7.4.200.0000.00716.54
7.4.190.0030.00316.52
7.4.160.0150.00316.57
7.4.150.0040.01517.40
7.4.140.0050.01217.86
7.4.130.0050.01316.70
7.4.120.0140.00616.67
7.4.110.0130.00316.74
7.4.100.0120.01216.53
7.4.90.0140.00316.61
7.4.80.0140.00719.39
7.4.70.0040.01416.57
7.4.60.0130.00616.65
7.4.50.0050.00516.60
7.4.40.0070.00722.77
7.4.30.0080.01316.59
7.4.00.0000.01514.99
7.3.330.0000.00513.30
7.3.320.0030.00313.31
7.3.310.0000.00816.51
7.3.300.0000.00716.32
7.3.290.0060.00916.37
7.3.280.0110.00616.39
7.3.270.0130.00917.40
7.3.260.0070.01516.44
7.3.250.0110.00616.38
7.3.240.0190.00316.37
7.3.230.0090.01216.44
7.3.210.0120.00616.46
7.3.200.0100.00719.39
7.3.190.0080.00916.45
7.3.180.0060.01016.44
7.3.170.0040.01216.45
7.3.160.0100.00616.80
7.3.120.0090.00614.67
7.3.10.0070.00716.85
7.3.00.0000.01116.91
7.2.330.0110.00616.68
7.2.320.0050.01416.91
7.2.310.0140.01116.68
7.2.300.0080.00816.82
7.2.290.0060.00916.55
7.2.130.0030.00716.71
7.2.120.0070.01016.95
7.2.110.0030.00916.97
7.2.100.0110.00316.77
7.2.90.0110.00717.04
7.2.80.0040.00817.02
7.2.70.0060.00616.70
7.2.60.0040.00916.99
7.2.50.0120.00817.01
7.2.40.0130.00317.11
7.2.30.0100.00717.12
7.2.20.0070.01417.17
7.2.10.0090.00417.02
7.2.00.0070.00316.82
7.1.250.0100.00316.13
7.1.200.0080.00615.86
7.1.100.0040.01118.27
7.1.70.0060.00317.41
7.1.60.0120.01219.82
7.1.50.0070.01417.09
7.1.00.0070.07322.41
7.0.200.0030.00516.84
7.0.140.0100.06721.98
7.0.60.0130.06019.82
7.0.50.0170.04317.82
7.0.40.0030.04320.11
7.0.30.0270.04720.02
7.0.20.0230.05720.32
7.0.10.0230.07320.22
7.0.00.0100.08720.13
5.6.280.0030.09321.10
5.6.210.0030.08020.64
5.6.200.0100.07018.16
5.6.190.0100.04320.36
5.6.180.3800.04020.57
5.6.170.0330.03320.51
5.6.160.0130.07320.38
5.6.150.0100.03318.11
5.6.140.0100.05718.07
5.6.130.0070.06318.09
5.6.120.0070.08721.01
5.6.110.0130.07721.02
5.6.100.0000.09321.13
5.6.90.0100.08020.98
5.6.80.0100.05320.50
5.6.70.0270.07320.39
5.5.350.0030.08320.44
5.5.340.0000.04717.89
5.5.330.0100.04020.21
5.5.320.0300.07320.29
5.5.310.0270.06320.12
5.5.300.0000.05318.00
5.5.290.0270.04717.91
5.5.280.0100.08020.84
5.5.270.0030.04320.75
5.5.260.0170.07720.86
5.5.250.0070.05320.57
5.5.240.0030.08320.15
5.4.450.0400.05019.52
5.4.440.0700.05319.58
5.4.430.0200.05019.51
5.4.420.0070.06019.51
5.4.410.0170.04719.19
5.4.400.0870.00018.61
5.4.390.0930.00018.53
5.4.380.0230.06318.77
5.4.370.0300.05018.46
5.4.360.0330.05318.59
5.4.350.0200.04318.61
5.4.340.0500.06018.58
5.4.320.0050.04012.45
5.4.310.0140.04612.45
5.4.300.0070.04212.45
5.4.290.0070.04812.45
5.4.280.0070.03612.34
5.4.270.0060.03712.34
5.4.260.0070.05718.84
5.4.250.0100.05718.84
5.4.240.0170.06318.84
5.4.230.0100.05018.66
5.4.220.0130.04718.61
5.4.210.0000.06018.76
5.4.200.0070.05718.85
5.4.190.0100.06718.61
5.4.180.0170.05718.86
5.4.170.0170.04318.90
5.4.160.0000.05718.82
5.4.150.0030.06718.87
5.4.140.0100.07016.39
5.4.130.0100.06316.24
5.4.120.0070.05316.23
5.4.110.0270.04316.17
5.4.100.0100.05716.46
5.4.90.0130.04316.36
5.4.80.0070.05016.39
5.4.70.0100.07016.31
5.4.60.0130.04716.15
5.4.50.0100.07316.36
5.4.40.0070.05016.34
5.4.30.0070.04716.39
5.4.20.0070.07316.38
5.4.10.0130.05316.29
5.4.00.0130.05315.92
5.3.290.0050.05212.80
5.3.280.0100.04714.50
5.3.270.0170.04714.49
5.3.260.0000.06014.70
5.3.250.0170.04714.30
5.3.240.0030.07014.62
5.3.230.0070.05714.43
5.3.220.0170.05714.58
5.3.210.0100.05014.45
5.3.200.0070.05314.59
5.3.190.0070.05714.61
5.3.180.0070.05314.60
5.3.170.0000.06014.60
5.3.160.0070.05714.56
5.3.150.0030.05314.60
5.3.140.0070.05314.33
5.3.130.0100.05314.70
5.3.120.0170.04314.59
5.3.110.0070.05314.59
5.3.100.0100.04714.13
5.3.90.0030.06013.89
5.3.80.0070.05014.02
5.3.70.0200.03314.16
5.3.60.0100.04714.09
5.3.50.0100.05013.71
5.3.40.0130.04313.86
5.3.30.0170.04713.91
5.3.20.0100.04713.84
5.3.10.0070.04713.65
5.3.00.0200.05313.65
5.2.170.0100.03311.03
5.2.160.0070.04011.05
5.2.150.0100.04011.06
5.2.140.0030.04310.89
5.2.130.0200.04710.93
5.2.120.0070.03711.19
5.2.110.0100.03711.19
5.2.100.0100.03711.03
5.2.90.0070.04311.04
5.2.80.0100.06011.00
5.2.70.0100.04011.20
5.2.60.0100.04011.06
5.2.50.0130.06011.13
5.2.40.0100.03710.76
5.2.30.0070.05710.89
5.2.20.0030.04010.98
5.2.10.0000.04310.64
5.2.00.0130.04310.95
5.1.60.0070.03010.21
5.1.50.0100.0309.93
5.1.40.0030.03310.02
5.1.30.0130.03010.41
5.1.20.0100.03310.38
5.1.10.0030.03710.14
5.1.00.0000.0379.85
5.0.50.0070.0238.59
5.0.40.0000.0378.66
5.0.30.0070.0378.47
5.0.20.0030.0308.18
5.0.10.0070.0378.34
5.0.00.0100.0378.23
4.4.90.0070.0277.00
4.4.80.0030.0307.00
4.4.70.0070.0177.00
4.4.60.0100.0137.00
4.4.50.0030.0207.00
4.4.40.0000.0407.00
4.4.30.0030.0207.00
4.4.20.0070.0207.00
4.4.10.0070.0177.00
4.4.00.0070.0337.00
4.3.110.0000.0237.00
4.3.100.0070.0207.00
4.3.90.0070.0137.00
4.3.80.0000.0337.00
4.3.70.0000.0237.00
4.3.60.0000.0307.00
4.3.50.0100.0177.00
4.3.40.0000.0337.00
4.3.30.0000.0307.00
4.3.20.0030.0237.00
4.3.10.0000.0277.00
4.3.00.0170.0237.46

preferences:
41.4 ms | 401 KiB | 5 Q