3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = <<< '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; $string = preg_replace("/(?=\R)\R+(?=.*\R{)/s", '', $string); print_r($string);

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)
8.3.60.0170.00318.56
8.3.50.0130.00822.11
8.3.40.0000.01918.97
8.3.30.0090.01218.66
8.3.20.0080.00020.30
8.3.10.0030.00622.09
8.3.00.0070.01122.46
8.2.180.0140.00716.63
8.2.170.0070.01422.96
8.2.160.0110.00720.77
8.2.150.0070.00724.18
8.2.140.0060.01224.66
8.2.130.0070.01026.16
8.2.120.0040.00419.61
8.2.110.0060.00321.17
8.2.100.0090.00317.91
8.2.90.0050.00318.03
8.2.80.0040.00417.97
8.2.70.0100.00017.38
8.2.60.0000.00817.80
8.2.50.0080.00018.07
8.2.40.0030.00518.03
8.2.30.0050.00318.01
8.2.20.0040.00417.62
8.2.10.0000.00819.70
8.2.00.0030.00517.74
8.1.280.0120.00925.92
8.1.270.0030.00722.20
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0060.00322.18
8.1.230.0100.00020.89
8.1.220.0050.00317.76
8.1.210.0040.00420.07
8.1.200.0100.00017.35
8.1.190.0030.00517.40
8.1.180.0040.00418.66
8.1.170.0000.00918.59
8.1.160.0040.00421.88
8.1.150.0040.00418.67
8.1.140.0040.00417.55
8.1.130.0030.00317.75
8.1.120.0030.00417.58
8.1.110.0000.00717.43
8.1.100.0000.00817.54
8.1.90.0040.00417.45
8.1.80.0070.00017.56
8.1.70.0080.00017.43
8.1.60.0000.00817.68
8.1.50.0030.00517.48
8.1.40.0040.00417.50
8.1.30.0040.00417.70
8.1.20.0040.00417.62
8.1.10.0040.00417.49
8.1.00.0040.00417.53
8.0.300.0040.00420.08
8.0.290.0050.00216.75
8.0.280.0000.01018.41
8.0.270.0030.00517.23
8.0.260.0060.00016.98
8.0.250.0000.00717.12
8.0.240.0000.00817.11
8.0.230.0040.00417.09
8.0.220.0080.00016.91
8.0.210.0030.00317.01
8.0.200.0060.00016.98
8.0.190.0070.00417.12
8.0.180.0000.00716.96
8.0.170.0040.00416.97
8.0.160.0050.00216.96
8.0.150.0050.00316.93
8.0.140.0000.00716.89
8.0.130.0030.00313.38
8.0.120.0040.00417.00
8.0.110.0040.00416.96
8.0.100.0040.00417.02
8.0.90.0030.00517.10
8.0.80.0070.01117.09
8.0.70.0000.00816.95
8.0.60.0000.00716.84
8.0.50.0030.00617.10
8.0.30.0120.01417.17
8.0.20.0100.00917.40
8.0.10.0080.00017.05
8.0.00.0090.00816.83
7.4.330.0050.00015.09
7.4.320.0030.00316.75
7.4.300.0040.00416.73
7.4.290.0000.00716.75
7.4.280.0000.00716.73
7.4.270.0040.00416.79
7.4.260.0030.00316.61
7.4.250.0000.00716.52
7.4.240.0000.00716.61
7.4.230.0030.00316.55
7.4.220.0100.00716.76
7.4.210.0020.01316.84
7.4.200.0070.00016.74
7.4.190.0000.00816.82
7.4.160.0120.00416.88
7.4.150.0120.00617.40
7.4.140.0100.00717.86
7.4.130.0150.00516.62
7.4.120.0100.01116.70
7.4.110.0060.01816.78
7.4.100.0210.00016.56
7.4.90.0080.01016.70
7.4.80.0060.01119.39
7.4.70.0070.01016.61
7.4.60.0060.01316.75
7.4.50.0040.00416.41
7.4.40.0060.00622.77
7.4.30.0050.01616.71
7.4.00.0040.00414.89
7.3.330.0050.00013.08
7.3.320.0020.00213.06
7.3.310.0080.00016.21
7.3.300.0070.00016.34
7.3.290.0070.01016.32
7.3.280.0090.00716.38
7.3.270.0130.01017.40
7.3.260.0100.00716.60
7.3.250.0080.00916.52
7.3.240.0090.00916.45
7.3.230.0150.00316.55
7.3.210.0100.01016.33
7.3.200.0090.01219.39
7.3.190.0060.01016.49
7.3.180.0060.01016.57
7.3.170.0060.01216.53
7.3.160.0130.00316.32
7.3.120.0000.01415.09
7.2.330.0070.01016.49
7.2.320.0030.01516.61
7.2.310.0180.00616.74
7.2.300.0130.00316.68
7.2.290.0100.00616.66
7.1.70.0040.00417.14
7.1.60.0140.01019.82
7.1.50.0130.00317.04
7.1.00.0130.06322.41
7.0.200.0000.01016.63
7.0.140.0070.07022.03
7.0.60.0170.06720.11
7.0.50.0030.07017.83
7.0.40.0070.04020.06
7.0.30.0200.04020.04
7.0.20.0200.04320.18
7.0.10.0270.08320.01
7.0.00.0000.04720.14
5.6.280.0000.07720.82
5.6.210.0030.04020.72
5.6.200.0000.04318.13
5.6.190.0170.08020.48
5.6.180.4100.04320.64
5.6.170.0400.04320.45
5.6.160.0100.08020.54
5.6.150.0000.04318.16
5.6.140.0070.04018.18
5.6.130.0100.07018.13
5.6.120.0070.08020.89
5.6.110.0070.05320.96
5.6.100.0000.04721.13
5.6.90.0130.07720.89
5.6.80.0070.08020.40
5.6.70.0300.07320.38
5.5.350.0070.08320.40
5.5.340.0130.06317.98
5.5.330.0130.06020.29
5.5.320.0330.07020.29
5.5.310.0270.07720.28
5.5.300.0070.04717.91
5.5.290.0170.07018.02
5.5.280.0000.06020.87
5.5.270.0030.05020.79
5.5.260.0170.05720.76
5.5.250.0100.07720.61
5.5.240.0170.05020.16
5.4.450.0600.05319.13
5.4.440.0670.04319.41
5.4.430.0200.05019.45
5.4.420.0130.05319.68
5.4.410.0100.05719.43
5.4.400.0630.00018.83
5.4.390.1470.00018.83
5.4.380.0170.06318.50
5.4.370.0270.04718.52
5.4.360.0200.04318.59
5.4.350.0330.04718.59
5.4.340.0230.05718.70
5.4.320.0050.04012.45
5.4.310.0050.03812.45
5.4.300.0050.04612.45
5.4.290.0070.04812.45
5.4.280.0070.03912.34
5.4.270.0130.03212.35
5.4.260.0130.07018.76
5.4.250.0130.05018.83
5.4.240.0030.05718.78
5.4.230.0030.06318.98
5.4.220.0100.05318.69
5.4.210.0000.06018.98
5.4.200.0130.05018.86
5.4.190.0100.07718.84
5.4.180.0000.06718.90
5.4.170.0170.06318.66
5.4.160.0070.05718.79
5.4.150.0070.05318.83
5.4.140.0070.05316.46
5.4.130.0070.05016.48
5.4.120.0100.04716.48
5.4.110.0030.05716.37
5.4.100.0100.04716.41
5.4.90.0270.04716.30
5.4.80.0070.06016.27
5.4.70.0100.05316.29
5.4.60.0030.05316.36
5.4.50.0000.05716.36
5.4.40.0130.04316.41
5.4.30.0130.04716.29
5.4.20.0100.05316.19
5.4.10.0070.08016.44
5.4.00.0100.04715.69
5.3.290.0050.04212.80
5.3.280.0100.05014.61
5.3.270.0200.06014.70
5.3.260.0130.07014.75
5.3.250.0100.05014.61
5.3.240.0100.04714.62
5.3.230.0070.05014.37
5.3.220.0100.07014.42
5.3.210.0100.06314.58
5.3.200.0030.05014.58
5.3.190.0030.05314.57
5.3.180.0030.05314.66
5.3.170.0100.05014.48
5.3.160.0070.05014.57
5.3.150.0130.04714.56
5.3.140.0200.04014.40
5.3.130.0000.05714.56
5.3.120.0000.05714.64
5.3.110.0170.04714.40
5.3.100.0100.06713.73
5.3.90.0030.05713.71
5.3.80.0030.05313.93
5.3.70.0100.05014.16
5.3.60.0030.05713.94
5.3.50.0100.04713.96
5.3.40.0100.05013.95
5.3.30.0070.06013.78
5.3.20.0030.05013.52
5.3.10.0070.06713.41
5.3.00.0030.05313.34
5.2.170.0100.05711.04
5.2.160.0070.04011.25
5.2.150.0070.05711.14
5.2.140.0030.06311.25
5.2.130.0070.03710.86
5.2.120.0070.03711.09
5.2.110.0000.06011.12
5.2.100.0070.03711.21
5.2.90.0000.04311.25
5.2.80.0030.04311.18
5.2.70.0030.05011.06
5.2.60.0070.04011.00
5.2.50.0130.03310.96
5.2.40.0030.04010.99
5.2.30.0030.04010.88
5.2.20.0030.05310.99
5.2.10.0070.04311.08
5.2.00.0130.03310.79
5.1.60.0000.0379.88
5.1.50.0030.03310.03
5.1.40.0030.03310.13
5.1.30.0000.03710.17
5.1.20.0000.05310.19
5.1.10.0130.0279.95
5.1.00.0030.03710.25
5.0.50.0070.0278.78
5.0.40.0070.0238.45
5.0.30.0070.0378.11
5.0.20.0070.0208.15
5.0.10.0070.0238.16
5.0.00.0030.0408.18
4.4.90.0000.0237.00
4.4.80.0070.0237.00
4.4.70.0000.0237.00
4.4.60.0030.0207.00
4.4.50.0070.0207.00
4.4.40.0070.0277.00
4.4.30.0000.0207.00
4.4.20.0000.0237.00
4.4.10.0000.0237.00
4.4.00.0000.0337.00
4.3.110.0070.0177.00
4.3.100.0000.0237.00
4.3.90.0100.0207.00
4.3.80.0000.0437.00
4.3.70.0070.0177.00
4.3.60.0000.0237.00
4.3.50.0070.0237.00
4.3.40.0030.0337.00
4.3.30.0000.0237.00
4.3.20.0030.0207.00
4.3.10.0030.0207.00
4.3.00.0000.0237.46

preferences:
64.36 ms | 401 KiB | 5 Q