3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = ' <foo>ciao</foo> <i>ex</i> <asd>boh</asd> <i>ex </i> <i> testo con spazi </i> <i>boh</i> <asd>boh</asd> '; $string = preg_replace('#<i>([\s]+)(.+)</i>#', '<i>&#xA0;\1</i>', $string); $string = preg_replace('#<i>(.+)([\s]+)</i>#', '<i>\1&#xA0;</i>', $string); echo $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)
8.3.40.0120.00318.70
8.3.30.0120.00320.41
8.3.20.0000.00720.16
8.3.10.0080.00022.04
8.3.00.0000.00722.44
8.2.170.0120.00322.96
8.2.160.0070.00722.24
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0030.00526.16
8.2.120.0000.00819.25
8.2.110.0050.00522.28
8.2.100.0060.00617.91
8.2.90.0040.00418.89
8.2.80.0040.00419.10
8.2.70.0040.00417.88
8.2.60.0060.00317.93
8.2.50.0050.00318.07
8.2.40.0000.00818.03
8.2.30.0060.00318.02
8.2.20.0040.00417.82
8.2.10.0000.00717.83
8.2.00.0000.00917.88
8.1.270.0000.00924.66
8.1.260.0080.00026.35
8.1.250.0000.00828.09
8.1.240.0040.00423.83
8.1.230.0080.00319.00
8.1.220.0080.00017.78
8.1.210.0060.00318.77
8.1.200.0060.00317.35
8.1.190.0040.00417.40
8.1.180.0000.00919.01
8.1.170.0080.00018.69
8.1.160.0040.00420.81
8.1.150.0040.00418.64
8.1.140.0000.00717.53
8.1.130.0030.00317.91
8.1.120.0000.00817.59
8.1.110.0040.00417.54
8.1.100.0000.00717.53
8.1.90.0000.00717.46
8.1.80.0070.00017.43
8.1.70.0020.00517.47
8.1.60.0030.00617.63
8.1.50.0000.00817.49
8.1.40.0040.00417.50
8.1.30.0040.00417.73
8.1.20.0000.00817.71
8.1.10.0080.00017.53
8.1.00.0030.00617.61
8.0.300.0000.00818.77
8.0.290.0040.00417.18
8.0.280.0070.00018.51
8.0.270.0070.00017.15
8.0.260.0000.00716.84
8.0.250.0000.00717.15
8.0.240.0040.00417.09
8.0.230.0040.00416.93
8.0.220.0070.00016.84
8.0.210.0050.00217.00
8.0.200.0040.00417.04
8.0.190.0040.00417.00
8.0.180.0040.00417.02
8.0.170.0000.00817.00
8.0.160.0070.00017.03
8.0.150.0040.00416.91
8.0.140.0050.00216.87
8.0.130.0030.00313.39
8.0.120.0000.00817.00
8.0.110.0000.00716.82
8.0.100.0040.00416.84
8.0.90.0050.00316.97
8.0.80.0030.01217.01
8.0.70.0080.00016.88
8.0.60.0000.00716.96
8.0.50.0040.00416.89
8.0.30.0170.00617.26
8.0.20.0100.00817.40
8.0.10.0060.00317.09
8.0.00.0090.00816.91
7.4.330.0000.00515.00
7.4.320.0030.00316.75
7.4.300.0030.00316.73
7.4.290.0030.00316.79
7.4.280.0030.00316.64
7.4.270.0060.00016.68
7.4.260.0070.00013.48
7.4.250.0000.00716.74
7.4.240.0000.00716.74
7.4.230.0070.00016.49
7.4.220.0000.01816.79
7.4.210.0090.00616.71
7.4.200.0030.00416.85
7.4.190.0000.00716.90
7.4.160.0090.00616.58
7.4.150.0110.00717.40
7.4.140.0100.01017.86
7.4.130.0080.01016.61
7.4.120.0070.01016.81
7.4.110.0090.01216.72
7.4.100.0090.01316.54
7.4.90.0040.01316.57
7.4.80.0060.01319.39
7.4.70.0070.01016.57
7.4.60.0130.00316.56
7.4.50.0000.00616.52
7.4.40.0070.01022.77
7.4.30.0070.01416.58
7.4.00.0100.00714.81
7.3.330.0030.00313.17
7.3.320.0000.00513.05
7.3.310.0000.00716.29
7.3.300.0050.00216.24
7.3.290.0070.00716.41
7.3.280.0070.01316.36
7.3.270.0070.01017.40
7.3.260.0110.00616.33
7.3.250.0110.00916.68
7.3.240.0030.01416.85
7.3.230.0180.00016.44
7.3.210.0070.01416.79
7.3.200.0090.01219.39
7.3.190.0080.00816.34
7.3.180.0110.00416.62
7.3.170.0140.00316.43
7.3.160.0110.01116.35
7.3.120.0050.00915.19
7.2.330.0090.00916.75
7.2.320.0000.01616.80
7.2.310.0000.01716.66
7.2.300.0130.00316.64
7.2.290.0130.00316.82
7.2.00.0070.00719.46
7.1.100.0000.01118.16
7.1.70.0070.00717.15
7.1.60.0100.01419.32
7.1.50.0140.00716.79
7.1.00.0030.03322.45
7.0.200.0130.00614.86
7.0.140.0030.07322.09
7.0.100.0200.05020.01
7.0.90.0070.08019.88
7.0.80.0100.05320.01
7.0.70.0170.06319.88
7.0.60.0230.03319.94
7.0.50.0300.08720.38
7.0.40.0100.08320.18
7.0.30.0070.08020.14
7.0.20.0170.04020.12
7.0.10.0100.04320.09
7.0.00.0070.08320.16
5.6.280.0030.07321.14
5.6.250.0100.07320.66
5.6.240.0100.07020.63
5.6.230.0070.07020.62
5.6.220.0070.05020.58
5.6.210.0100.04720.46
5.6.200.0100.07321.08
5.6.190.0170.04020.98
5.6.180.0100.08721.05
5.6.170.0070.09021.03
5.6.160.0100.07720.95
5.6.150.0030.08321.04
5.6.140.0100.08320.95
5.6.130.0100.08321.10
5.6.120.0130.06720.94
5.6.110.0030.08321.05
5.6.100.0000.06020.91
5.6.90.0100.03021.05
5.6.80.0070.06720.43
5.6.70.0100.07720.39
5.6.60.0100.07320.32
5.6.50.0030.08320.38
5.6.40.0070.05720.36
5.6.30.0070.07720.29
5.6.20.0170.07020.42
5.6.10.0130.06720.43
5.6.00.0130.03720.38
5.5.380.0030.04720.42
5.5.370.0100.07720.44
5.5.360.0070.08720.48
5.5.350.0130.06720.41
5.5.340.0030.07020.79
5.5.330.0070.08020.76
5.5.320.0000.08020.83
5.5.310.0200.07720.72
5.5.300.0070.08720.77
5.5.290.0030.05720.90
5.5.280.0100.07020.82
5.5.270.0030.04720.78
5.5.260.0130.04020.88
5.5.250.0000.06720.64
5.5.240.0070.07720.14
5.5.230.0100.06020.25
5.5.220.0100.06020.19
5.5.210.0030.05020.10
5.5.200.0070.05020.27
5.5.190.0070.04019.98
5.5.180.0100.07020.10
5.5.160.0170.06320.27
5.5.150.0130.07320.24
5.5.140.0070.05719.98
5.5.130.0170.07320.25
5.5.120.0000.05020.14
5.5.110.0030.07720.11
5.5.100.0070.07020.15
5.5.90.0070.07020.14
5.5.80.0030.05020.09
5.5.70.0030.06020.05
5.5.60.0070.07720.05
5.5.50.0070.06320.04
5.5.40.0070.07720.04
5.5.30.0130.07720.09
5.5.20.0100.05319.91
5.5.10.0070.06320.13
5.5.00.0130.07319.98
5.4.450.0070.07019.44
5.4.440.0070.08019.14
5.4.430.0030.07719.28
5.4.420.0100.07019.35
5.4.410.0100.07719.18
5.4.400.0000.07018.81
5.4.390.0130.07319.02
5.4.380.0170.06319.13
5.4.370.0070.04319.13
5.4.360.0070.07019.04
5.4.350.0100.04019.04
5.4.340.0130.05718.96
5.4.320.0070.04319.06
5.4.310.0000.05318.98
5.4.300.0030.07719.03
5.4.290.0030.08019.04
5.4.280.0070.05718.78
5.4.270.0070.07319.07
5.4.260.0100.07019.04
5.4.250.0030.07319.22
5.4.240.0130.07018.93
5.4.230.0130.06319.06
5.4.220.0030.04718.97
5.4.210.0030.07719.09
5.4.200.0070.03719.06
5.4.190.0070.04019.11
5.4.180.0100.03318.97
5.4.170.0070.04719.03
5.4.160.0070.07718.89
5.4.150.0030.04318.76
5.4.140.0100.07316.31
5.4.130.0000.07716.38
5.4.120.0000.04716.27
5.4.110.0170.06316.26
5.4.100.0000.03716.49
5.4.90.0200.06016.36
5.4.80.0100.06316.39
5.4.70.0070.06716.22
5.4.60.0100.02316.20
5.4.50.0030.04016.20
5.4.40.0030.03716.35
5.4.30.0070.03716.29
5.4.20.0030.06316.27
5.4.10.0170.02316.27
5.4.00.0000.04015.68
5.3.290.0030.07714.65
5.3.280.0070.07714.55
5.3.270.0130.07314.55
5.3.260.0030.06714.51
5.3.250.0000.06314.59
5.3.240.0170.06714.59
5.3.230.0070.06314.55
5.3.220.0070.06714.42
5.3.210.0000.04714.55
5.3.200.0030.07714.49
5.3.190.0100.05314.51
5.3.180.0070.06714.41
5.3.170.0100.07014.39
5.3.160.0070.07314.41
5.3.150.0000.05314.39
5.3.140.0070.06314.54
5.3.130.0070.06314.53
5.3.120.0070.05714.38
5.3.110.0070.05714.53
5.3.100.0070.04313.99
5.3.90.0070.03313.89
5.3.80.0000.04014.00
5.3.70.0030.06013.95
5.3.60.0100.05713.86
5.3.50.0030.06013.92
5.3.40.0030.03713.93
5.3.30.0100.05313.91
5.3.20.0030.04313.63
5.3.10.0070.06713.62
5.3.00.0130.06013.61
5.2.170.0000.06711.90
5.2.160.0030.05311.90
5.2.150.0100.05311.90
5.2.140.0070.06011.90
5.2.130.0000.04011.90
5.2.120.0070.05711.90
5.2.110.0030.05011.90
5.2.100.0070.05311.90
5.2.90.0070.03311.90
5.2.80.0100.06011.90
5.2.70.0030.03711.90
5.2.60.0070.02711.90
5.2.50.0070.05311.90
5.2.40.0030.04711.90
5.2.30.0070.04711.90
5.2.20.0170.04711.90
5.2.10.0000.03011.90
5.2.00.0000.04711.90
5.1.60.0070.02711.90
5.1.50.0100.03311.90
5.1.40.0030.02711.90
5.1.30.0030.06011.90
5.1.20.0030.03011.90
5.1.10.0000.02711.90
5.1.00.0030.03011.90
5.0.50.0070.04711.90
5.0.40.0070.03311.90
5.0.30.0000.06311.90
5.0.20.0030.02011.90
5.0.10.0070.02711.90
5.0.00.0030.03311.90
4.4.90.0030.01311.90
4.4.80.0030.03711.90
4.4.70.0000.03011.90
4.4.60.0030.03711.90
4.4.50.0000.01711.90
4.4.40.0030.05711.90
4.4.30.0030.01311.90
4.4.20.0030.01311.90
4.4.10.0000.01711.90
4.4.00.0000.03311.90
4.3.110.0030.02711.90
4.3.100.0000.02011.90
4.3.90.0000.01711.90
4.3.80.0030.02711.90
4.3.70.0070.01011.90
4.3.60.0030.03311.90
4.3.50.0030.02011.90
4.3.40.0000.05711.90
4.3.30.0070.02011.90
4.3.20.0030.02311.90
4.3.10.0000.01711.90
4.3.00.0000.02311.90

preferences:
37.58 ms | 400 KiB | 5 Q