3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = preg_quote("\u00a0"); echo preg_replace('#(?:^[^\pL](u00a0)*)#u','--+--',$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)
8.3.60.0150.00618.43
8.3.50.0160.00721.27
8.3.40.0100.01019.09
8.3.30.0070.00719.21
8.3.20.0040.00420.13
8.3.10.0080.00021.92
8.3.00.0030.00520.68
8.2.180.0160.00416.63
8.2.170.0120.00322.96
8.2.160.0080.01119.16
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0030.01426.16
8.2.120.0040.00419.76
8.2.110.0060.00322.28
8.2.100.0080.00417.89
8.2.90.0000.00719.17
8.2.80.0050.00317.97
8.2.70.0000.00917.50
8.2.60.0040.00417.93
8.2.50.0000.01018.07
8.2.40.0000.00818.16
8.2.30.0000.00718.21
8.2.20.0000.00718.03
8.2.10.0040.00417.89
8.2.00.0040.00717.88
8.1.280.0140.00325.92
8.1.270.0030.00518.78
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0180.00323.96
8.1.230.0040.00718.97
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0110.00017.48
8.1.190.0050.00317.41
8.1.180.0030.00518.62
8.1.170.0000.00818.65
8.1.160.0000.00722.18
8.1.150.0000.00818.65
8.1.140.0070.00017.66
8.1.130.0000.00717.80
8.1.120.0000.00717.50
8.1.110.0000.01117.59
8.1.100.0070.00017.53
8.1.90.0000.00717.56
8.1.80.0050.00317.58
8.1.70.0030.00317.43
8.1.60.0000.00817.55
8.1.50.0040.00417.65
8.1.40.0050.00317.53
8.1.30.0040.00417.61
8.1.20.0040.00417.70
8.1.10.0070.00417.57
8.1.00.0000.00717.51
8.0.300.0040.00418.77
8.0.290.0040.00417.04
8.0.280.0000.00718.42
8.0.270.0000.00717.29
8.0.260.0040.00417.02
8.0.250.0030.00317.14
8.0.240.0070.00317.20
8.0.230.0000.00717.11
8.0.220.0030.00317.11
8.0.210.0030.00317.13
8.0.200.0030.00317.09
8.0.190.0040.00417.08
8.0.180.0040.00417.05
8.0.170.0030.00517.07
8.0.160.0000.00716.98
8.0.150.0040.00417.07
8.0.140.0050.00316.86
8.0.130.0050.00013.47
8.0.120.0040.00417.01
8.0.110.0000.00717.00
8.0.100.0040.00416.89
8.0.90.0070.00016.98
8.0.80.0110.00717.13
8.0.70.0000.00716.96
8.0.60.0020.00517.09
8.0.50.0070.00017.13
8.0.30.0120.00917.44
8.0.20.0100.01317.41
8.0.10.0050.00317.02
8.0.00.0080.01016.85
7.4.330.0060.00015.00
7.4.320.0030.00316.85
7.4.300.0000.00816.56
7.4.290.0040.00716.73
7.4.280.0060.00316.70
7.4.270.0000.00716.83
7.4.260.0070.00016.83
7.4.250.0000.00716.73
7.4.240.0050.00216.71
7.4.230.0030.00316.71
7.4.220.0150.00316.66
7.4.210.0060.00816.74
7.4.200.0040.00416.91
7.4.190.0050.00316.51
7.4.160.0060.01316.70
7.4.150.0140.00317.40
7.4.140.0090.00917.86
7.4.130.0100.00716.69
7.4.120.0110.00716.71
7.4.110.0030.01316.54
7.4.100.0070.01016.61
7.4.90.0060.01216.55
7.4.80.0070.01119.39
7.4.70.0070.01116.60
7.4.60.0110.01116.69
7.4.50.0030.00316.58
7.4.40.0070.01122.77
7.4.30.0150.00916.73
7.4.00.0100.00314.77
7.3.330.0000.00613.28
7.3.320.0000.00613.18
7.3.310.0030.00316.42
7.3.300.0070.00016.20
7.3.290.0110.00416.30
7.3.280.0070.00816.35
7.3.270.0050.01517.40
7.3.260.0080.00816.52
7.3.250.0090.00916.47
7.3.240.0080.01916.49
7.3.230.0030.01616.49
7.3.210.0070.01016.36
7.3.200.0060.00919.39
7.3.190.0060.01116.39
7.3.180.0090.00616.80
7.3.170.0100.00716.52
7.3.160.0100.00716.42
7.3.120.0030.01014.71
7.2.330.0030.01516.70
7.2.320.0160.00616.78
7.2.310.0090.00916.56
7.2.300.0100.00616.66
7.2.290.0100.00716.63
7.1.70.0080.00417.38
7.1.60.0110.01119.82
7.1.50.0070.01117.03
7.1.00.0030.04322.34
7.0.200.0080.00416.85
7.0.140.0070.06722.09
7.0.60.0070.09019.89
7.0.50.0100.07317.86
7.0.40.0200.07320.06
7.0.30.0500.06020.17
7.0.20.0230.05020.03
7.0.10.0330.07720.11
7.0.00.0030.08720.10
5.6.280.0000.07320.98
5.6.210.0100.06020.68
5.6.200.0000.04718.12
5.6.190.0100.05720.77
5.6.180.3230.03320.64
5.6.170.0200.07320.49
5.6.160.0070.08720.50
5.6.150.0030.04318.09
5.6.140.0030.08318.09
5.6.130.0070.07718.18
5.6.120.0000.09020.89
5.6.110.0130.08021.03
5.6.100.0100.06720.97
5.6.90.0070.06321.10
5.6.80.0000.05320.43
5.6.70.0230.08020.52
5.5.350.0200.08020.46
5.5.340.0000.04318.07
5.5.330.0030.08720.29
5.5.320.0230.08020.35
5.5.310.0200.08320.20
5.5.300.0030.04718.00
5.5.290.0070.03718.02
5.5.280.0030.08720.95
5.5.270.0130.05020.79
5.5.260.0030.09020.93
5.5.250.0030.04020.48
5.5.240.0070.06320.03
5.4.450.0630.05319.64
5.4.440.0730.06019.32
5.4.430.0800.05719.10
5.4.420.0570.06719.54
5.4.410.1030.03319.48
5.4.400.0400.05318.65
5.4.390.0500.06718.61
5.4.380.0130.06318.71
5.4.370.0030.06018.51
5.4.360.0170.05018.54
5.4.350.0090.04511.97
5.4.340.0140.04111.96
5.4.320.0090.03612.45
5.4.310.0060.03712.45
5.4.300.0050.03912.45
5.4.290.0050.04312.45
5.4.280.0040.03712.34
5.4.270.0090.03912.35
5.4.260.0060.03812.35
5.4.250.0070.05318.74
5.4.240.0130.07318.88
5.4.230.0100.07718.84
5.4.220.0130.06318.80
5.4.210.0030.07018.87
5.4.200.0100.07019.01
5.4.190.0070.05718.93
5.4.180.0130.04718.80
5.4.170.0170.06018.73
5.4.160.0100.07718.88
5.4.150.0170.05018.88
5.4.140.0030.05716.27
5.4.130.0070.05716.23
5.4.120.0100.05316.29
5.4.110.0130.05016.41
5.4.100.0230.05016.23
5.4.90.0130.04716.25
5.4.80.0100.04716.33
5.4.70.0070.06016.49
5.4.60.0130.06016.46
5.4.50.0130.04716.30
5.4.40.0070.06016.38
5.4.30.0170.06016.26
5.4.20.0100.04716.33
5.4.10.0130.05716.46
5.4.00.0300.03315.70
5.3.290.0080.04312.80
5.3.280.0100.05714.44
5.3.270.0230.04014.60
5.3.260.0100.07714.64
5.3.250.0070.05014.47
5.3.240.0070.05314.47
5.3.230.0200.04714.50
5.3.220.0070.07014.42
5.3.210.0070.06014.45
5.3.200.0100.05014.48
5.3.190.0130.05314.39
5.3.180.0030.05714.45
5.3.170.0100.05014.25
5.3.160.0070.05314.40
5.3.150.0130.05014.60
5.3.140.0100.05714.55
5.3.130.0130.05014.43
5.3.120.0030.06014.69
5.3.110.0070.05314.56
5.3.100.0130.05713.89
5.3.90.0070.06014.02
5.3.80.0170.05314.03
5.3.70.0070.05313.79
5.3.60.0070.07013.84
5.3.50.0230.05014.04
5.3.40.0100.06313.94
5.3.30.0070.04713.74
5.3.20.0130.05313.54
5.3.10.0100.07013.52
5.3.00.0100.04713.50
5.2.170.0070.04311.29
5.2.160.0030.04710.89
5.2.150.0070.04311.15
5.2.140.0070.06011.05
5.2.130.0100.04011.10
5.2.120.0200.04711.25
5.2.110.0200.03010.93
5.2.100.0100.03311.13
5.2.90.0070.04010.86
5.2.80.0000.05011.09
5.2.70.0070.05310.86
5.2.60.0200.05711.14
5.2.50.0070.04010.92
5.2.40.0170.03710.91
5.2.30.0100.03710.89
5.2.20.0130.04010.98
5.2.10.0000.04710.91
5.2.00.0100.04310.79
5.1.60.0130.0409.76
5.1.50.0070.0409.87
5.1.40.0130.03710.04
5.1.30.0130.02710.26
5.1.20.0100.05010.42
5.1.10.0030.05310.00
5.1.00.0070.03710.09
5.0.50.0000.0308.56
5.0.40.0100.0238.63
5.0.30.0070.0438.12
5.0.20.0030.0408.27
5.0.10.0030.0408.35
5.0.00.0000.0538.34
4.4.90.0030.0207.15
4.4.80.0130.0207.15
4.4.70.0030.0337.15
4.4.60.0000.0237.15
4.4.50.0070.0177.15
4.4.40.0070.0377.15
4.4.30.0100.0137.15
4.4.20.0030.0207.15
4.4.10.0000.0337.15
4.4.00.0030.0337.15
4.3.110.0030.0337.15
4.3.100.0070.0277.15
4.3.90.0130.0137.15
4.3.80.0030.0377.15
4.3.70.0000.0277.15
4.3.60.0070.0237.15
4.3.50.0130.0137.15
4.3.40.0100.0407.15
4.3.30.0070.0277.15
4.3.20.0070.0237.15
4.3.10.0070.0207.15
4.3.00.0170.0176.72

preferences:
40.59 ms | 401 KiB | 5 Q