3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = <<<STR Featuring six amazing National Parks: Glacier, Waterton Lakes, Yellowstone, Grand Teton, Arches, and Canyonlands. Your tour begins in Chicago where you will board the Empire Builder bound for the first National Park on your trip, Glacier, where you will explore the famed Going-to-the-Sun Road and enjoy a full-day excursion to Waterton Lakes National Park in Canada (passport required). Featuring six amazing National Parks: Glacier, Waterton Lakes, Yellowstone, Grand Teton, Arches, and Canyonlands. STR; echo preg_replace('/(?<!\n)\R(?!\R)/u', '', $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)
8.3.70.0070.01116.58
8.3.60.0040.01118.30
8.3.50.0080.01121.98
8.3.40.0120.00318.96
8.3.30.0140.00718.82
8.3.20.0000.00818.73
8.3.10.0120.00320.63
8.3.00.0000.00721.83
8.2.180.0150.00616.63
8.2.170.0040.01122.96
8.2.160.0070.00720.35
8.2.150.0090.00624.18
8.2.140.0070.01024.66
8.2.130.0040.00426.16
8.2.120.0040.00419.61
8.2.110.0060.00322.31
8.2.100.0070.00417.97
8.2.90.0060.00317.97
8.2.80.0040.00417.97
8.2.70.0090.00317.75
8.2.60.0040.00417.80
8.2.50.0040.00418.07
8.2.40.0030.00718.16
8.2.30.0030.00519.88
8.2.20.0060.00317.76
8.2.10.0020.00517.70
8.2.00.0080.00017.75
8.1.280.0120.00625.92
8.1.270.0040.00423.99
8.1.260.0080.00026.35
8.1.250.0030.00628.09
8.1.240.0060.00322.21
8.1.230.0040.00820.95
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0030.00617.47
8.1.190.0060.00317.40
8.1.180.0080.00018.10
8.1.170.0050.00318.59
8.1.160.0050.00318.82
8.1.150.0000.00718.74
8.1.140.0040.00417.54
8.1.130.0050.00317.74
8.1.120.0040.00417.56
8.1.110.0040.00417.54
8.1.100.0030.00517.46
8.1.90.0000.00717.59
8.1.80.0000.00817.46
8.1.70.0040.00417.46
8.1.60.0060.00317.57
8.1.50.0040.00417.48
8.1.40.0000.00817.62
8.1.30.0050.00317.77
8.1.20.0030.00617.68
8.1.10.0040.00417.59
8.1.00.0030.00617.47
8.0.300.0040.00419.81
8.0.290.0000.00717.00
8.0.280.0000.00718.38
8.0.270.0040.00417.36
8.0.260.0040.00417.02
8.0.250.0040.00417.23
8.0.240.0000.00917.27
8.0.230.0000.00717.07
8.0.220.0040.00417.00
8.0.210.0040.00317.13
8.0.200.0030.00317.18
8.0.190.0060.00317.20
8.0.180.0040.00417.02
8.0.170.0000.00817.17
8.0.160.0040.00417.19
8.0.150.0030.00617.16
8.0.140.0030.00517.07
8.0.130.0000.00813.53
8.0.120.0000.00717.03
8.0.110.0040.00416.89
8.0.100.0050.00217.09
8.0.90.0000.00716.99
8.0.80.0040.01117.12
8.0.70.0040.00417.11
8.0.60.0000.00817.03
8.0.50.0070.00016.94
8.0.30.0120.00717.09
8.0.20.0150.01017.40
8.0.10.0000.00717.04
8.0.00.0130.00617.04
7.4.330.0050.00014.91
7.4.320.0040.00416.77
7.4.300.0070.00016.71
7.4.290.0040.00416.67
7.4.280.0040.00316.65
7.4.270.0030.00316.67
7.4.260.0050.00013.46
7.4.250.0080.00016.52
7.4.240.0030.00316.56
7.4.230.0000.00716.73
7.4.220.0090.01316.66
7.4.210.0100.00716.76
7.4.200.0020.00516.85
7.4.190.0000.00816.79
7.4.160.0110.00916.62
7.4.150.0110.00717.40
7.4.140.0130.00817.86
7.4.130.0130.00416.79
7.4.120.0110.00616.61
7.4.110.0030.01316.58
7.4.100.0070.01416.77
7.4.90.0080.00816.64
7.4.80.0170.00019.37
7.4.70.0090.00816.75
7.4.60.0130.00316.58
7.4.50.0000.00916.63
7.4.40.0000.01922.27
7.4.30.0040.01916.68
7.4.00.0100.00315.38
7.3.330.0030.00313.18
7.3.320.0020.00213.24
7.3.310.0000.00716.28
7.3.300.0030.00316.29
7.3.290.0070.00716.39
7.3.280.0120.00716.46
7.3.270.0140.00717.40
7.3.260.0120.00618.24
7.3.250.0110.00916.55
7.3.240.0080.00816.37
7.3.230.0030.01616.42
7.3.210.0000.01716.62
7.3.200.0130.00319.39
7.3.190.0120.00616.40
7.3.180.0040.01116.41
7.3.170.0060.01016.67
7.3.160.0090.00616.52
7.3.120.0140.00314.99
7.2.330.0110.00716.73
7.2.320.0210.00316.64
7.2.310.0030.01716.79
7.2.300.0130.00316.45
7.2.290.0060.01216.55
7.2.00.0060.00619.46
7.1.100.0040.00818.28
7.1.70.0000.00717.27
7.1.60.0060.01819.40
7.1.50.0100.01017.07
7.1.00.0000.07022.48
7.0.200.0000.00716.84
7.0.140.0130.06022.09
7.0.60.0070.08021.74
7.0.50.0100.08322.09
7.0.40.0070.08020.06
7.0.30.0070.07020.07
7.0.20.0070.07720.08
7.0.10.0030.08020.07
7.0.00.0000.06320.07
5.6.280.0030.07320.81
5.6.210.0030.06020.69
5.6.200.0100.05321.01
5.6.190.0030.07321.05
5.6.180.0030.07721.01
5.6.170.0100.08320.95
5.6.160.0070.05720.89
5.6.150.0070.06021.12
5.6.140.0000.04320.95
5.6.130.0000.04320.94
5.6.120.0030.04020.99
5.6.110.0030.04020.97
5.6.100.0030.03020.95
5.6.90.0030.03720.95
5.6.80.0030.07720.36
5.6.70.0030.04320.36
5.6.60.0030.03720.38
5.6.50.0000.04020.38
5.6.40.0030.08020.35
5.6.30.0030.04020.41
5.6.20.0030.03720.25
5.6.10.0000.04020.47
5.6.00.0030.04020.46
5.5.350.0000.08320.39
5.5.340.0070.07720.69
5.5.330.0000.07720.87
5.5.320.0100.06320.78
5.5.310.0070.07720.77
5.5.300.0030.04020.97
5.5.290.0000.04320.95
5.5.280.0070.04020.73
5.5.270.0000.04320.86
5.5.260.0000.03320.75
5.5.250.0030.03720.68
5.5.240.0030.04720.28
5.5.230.0030.04020.17
5.5.220.0070.03320.21
5.5.210.0100.03720.12
5.5.200.0000.04020.20
5.5.190.0030.04720.23
5.5.180.0030.05020.31
5.5.160.0000.03720.24
5.5.150.0000.03320.11
5.5.140.0030.03720.12
5.5.130.0030.03020.21
5.5.120.0030.03020.25
5.5.110.0000.03720.11
5.5.100.0030.03320.01
5.5.90.0030.02720.17
5.5.80.0000.03320.08
5.5.70.0000.03720.00
5.5.60.0030.03320.19
5.5.50.0000.03720.05
5.5.40.0030.02719.99
5.5.30.0030.03720.11
5.5.20.0070.04019.96
5.5.10.0000.03720.16
5.5.00.0030.03019.96
5.4.450.0030.03719.30
5.4.440.0000.04019.18
5.4.430.0030.03019.29
5.4.420.0000.04019.17
5.4.410.0070.04719.12
5.4.400.0030.04019.11
5.4.390.0000.06019.01
5.4.380.0030.03718.97
5.4.370.0030.04019.05
5.4.360.0030.05018.97
5.4.350.0030.04718.95
5.4.340.0000.05018.86
5.4.320.0000.05019.21
5.4.310.0000.03018.85
5.4.300.0000.03018.84
5.4.290.0030.03319.00
5.4.280.0000.03019.15
5.4.270.0000.03018.93
5.4.260.0070.02719.15
5.4.250.0000.03019.00
5.4.240.0070.02718.84
5.4.230.0000.03018.98
5.4.220.0000.03319.00
5.4.210.0030.02718.94
5.4.200.0000.03018.92
5.4.190.0000.03719.07
5.4.180.0000.04319.14
5.4.170.0070.07319.06
5.4.160.0030.02718.98
5.4.150.0000.03019.17
5.4.140.0000.04016.41
5.4.130.0000.03016.05
5.4.120.0000.03716.05
5.4.110.0000.03016.40
5.4.100.0000.03316.22
5.4.90.0000.03016.25
5.4.80.0000.03016.29
5.4.70.0000.03316.19
5.4.60.0000.03016.42
5.4.50.0030.03316.16
5.4.40.0000.04316.50
5.4.30.0100.04316.25
5.4.20.0000.07716.27
5.4.10.0030.07316.18
5.4.00.0000.06015.73
5.3.290.0000.03014.49
5.3.280.0000.03314.57
5.3.270.0070.02714.59
5.3.260.0030.04714.60
5.3.250.0000.03314.58
5.3.240.0030.03714.53
5.3.230.0000.05714.57
5.3.220.0000.06714.54
5.3.210.0070.03014.47
5.3.200.0000.03714.54
5.3.190.0030.03014.49
5.3.180.0030.03014.50
5.3.170.0030.02714.54
5.3.160.0000.03014.49
5.3.150.0000.04714.45
5.3.140.0000.04314.45
5.3.130.0030.06714.46
5.3.120.0070.05014.46
5.3.110.0300.05714.52
5.3.100.0000.06713.96
5.3.90.0000.07713.99
5.3.80.0030.05313.86
5.3.70.0030.04013.96
5.3.60.0030.04013.95
5.3.50.0000.08013.88
5.3.40.0030.06013.88
5.3.30.0030.07313.75
5.3.20.0000.07713.63
5.3.10.0030.06313.60
5.3.00.0000.06313.59
5.2.170.0070.06011.09
5.2.160.0000.05310.93
5.2.150.0000.06311.13
5.2.140.0000.05311.05
5.2.130.0030.04310.89
5.2.120.0070.05710.89
5.2.110.0030.06011.01
5.2.100.0030.05711.14
5.2.90.0000.06010.89
5.2.80.0000.05010.92
5.2.70.0030.04011.01
5.2.60.0000.06010.79
5.2.50.0000.06010.86
5.2.40.0130.05010.99
5.2.30.0000.05010.92
5.2.20.0070.03310.98
5.2.10.0030.05010.93
5.2.00.0070.04710.77
5.1.60.0100.04710.04
5.1.50.0070.03710.02
5.1.40.0000.0539.82
5.1.30.0030.04710.34
5.1.20.0030.05710.22
5.1.10.0030.05010.08
5.1.00.0030.0539.93
5.0.50.0070.0408.82
5.0.40.0030.0408.82
5.0.30.0070.0578.82
5.0.20.0030.0378.82
5.0.10.0000.0478.82
5.0.00.0000.0678.82
4.4.90.0000.0378.82
4.4.80.0000.0378.82
4.4.70.0000.0278.82
4.4.60.0000.0378.82
4.4.50.0000.0378.82
4.4.40.0000.0508.82
4.4.30.0000.0278.82
4.4.20.0030.0378.82
4.4.10.0030.0378.82
4.4.00.0000.0578.82
4.3.110.0030.0278.82
4.3.100.0000.0378.82
4.3.90.0000.0378.82
4.3.80.0000.0538.82
4.3.70.0030.0278.82
4.3.60.0000.0308.82
4.3.50.0000.0338.82
4.3.40.0000.0578.82
4.3.30.0000.0378.82
4.3.20.0070.0338.82
4.3.10.0030.0338.82
4.3.00.0000.0378.82

preferences:
92 ms | 401 KiB | 5 Q