3v4l.org

run code in 300+ PHP versions simultaneously
<?php function replace4byte($string) { return preg_replace('%(?: \xF0[\x90-\xBF][\x80-\xBF]{2} # planes 1-3 | [\xF1-\xF3][\x80-\xBF]{3} # planes 4-15 | \xF4[\x80-\x8F][\x80-\xBF]{2} # plane 16 )%xs', '', $string); } echo replace4byte(\u2019);

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)
8.3.60.0180.00418.68
8.3.50.0120.01021.19
8.3.40.0040.01118.84
8.3.30.0140.00718.75
8.3.20.0040.00420.38
8.3.10.0040.01123.66
8.3.00.0030.00522.51
8.2.180.0170.01018.46
8.2.170.0080.01122.96
8.2.160.0130.00720.36
8.2.150.0080.00024.18
8.2.140.0110.00424.66
8.2.130.0060.00926.16
8.2.120.0090.00017.50
8.2.110.0000.00920.94
8.2.100.0120.00017.75
8.2.90.0030.00719.28
8.2.80.0000.00917.97
8.2.70.0060.00317.50
8.2.60.0030.00617.93
8.2.50.0040.00418.07
8.2.40.0040.00421.07
8.2.30.0000.00719.84
8.2.20.0040.00417.75
8.2.10.0060.00318.12
8.2.00.0030.00618.05
8.1.280.0110.00425.92
8.1.270.0000.00820.32
8.1.260.0070.00326.35
8.1.250.0040.00428.09
8.1.240.0080.00822.71
8.1.230.0120.00017.42
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0030.00617.35
8.1.190.0080.00017.23
8.1.180.0050.00318.10
8.1.170.0040.00418.36
8.1.160.0000.00722.12
8.1.150.0000.00718.81
8.1.140.0000.00817.30
8.1.130.0070.00017.68
8.1.120.0000.00717.45
8.1.110.0020.00517.28
8.1.100.0000.00717.30
8.1.90.0000.00717.32
8.1.80.0020.00517.28
8.1.70.0070.00017.29
8.1.60.0000.00917.40
8.1.50.0000.00817.53
8.1.40.0040.00417.40
8.1.30.0040.00417.55
8.1.20.0040.00417.42
8.1.10.0040.00417.43
8.1.00.0070.00017.33
8.0.300.0050.00218.77
8.0.290.0000.00716.75
8.0.280.0030.00318.44
8.0.270.0030.00317.24
8.0.260.0030.00317.13
8.0.250.0070.00017.04
8.0.240.0040.00416.99
8.0.230.0070.00016.90
8.0.220.0030.00316.93
8.0.210.0040.00416.96
8.0.200.0040.00416.88
8.0.190.0030.00617.00
8.0.180.0000.00716.95
8.0.170.0080.00016.86
8.0.160.0040.00416.83
8.0.150.0000.00816.87
8.0.140.0030.00316.95
8.0.130.0000.00513.38
8.0.120.0000.00816.86
8.0.110.0040.00416.86
8.0.100.0040.00416.98
8.0.90.0000.00716.90
8.0.80.0070.00717.00
8.0.70.0030.00316.90
8.0.60.0050.00316.78
8.0.50.0000.00716.99
8.0.30.0090.01217.07
8.0.20.0050.01417.40
8.0.10.0040.00416.96
8.0.00.0130.00616.76
7.4.330.0050.00015.08
7.4.320.0030.00316.58
7.4.300.0060.00016.57
7.4.290.0030.00316.48
7.4.280.0000.00716.54
7.4.270.0040.00416.54
7.4.260.0070.00016.38
7.4.250.0000.00816.49
7.4.240.0000.00816.47
7.4.230.0070.00016.23
7.4.220.0060.01016.48
7.4.210.0090.00916.54
7.4.200.0030.00316.35
7.4.160.0060.00916.48
7.4.150.0100.01017.40
7.4.140.0080.01417.86
7.4.130.0110.00816.52
7.4.120.0120.00516.55
7.4.110.0060.01116.50
7.4.100.0090.00916.56
7.4.90.0070.01016.36
7.4.80.0000.01619.39
7.4.70.0190.00716.39
7.4.60.0100.00616.28
7.4.50.0040.00016.57
7.4.40.0120.00916.31
7.4.30.0090.01216.39
7.4.00.0030.00714.70
7.3.330.0050.00013.03
7.3.320.0050.00013.29
7.3.310.0060.00316.32
7.3.300.0030.00316.17
7.3.290.0030.00316.27
7.3.280.0110.00916.31
7.3.270.0030.01417.40
7.3.260.0000.01716.52
7.3.250.0090.01016.41
7.3.240.0110.00616.49
7.3.230.0140.00316.39
7.3.210.0140.00416.43
7.3.200.0100.01019.39
7.3.190.0130.00716.53
7.3.180.0090.00816.58
7.3.170.0030.01416.63
7.3.160.0110.00716.38
7.2.330.0100.00716.32
7.2.320.0180.00716.67
7.2.310.0110.00716.61
7.2.300.0190.00016.66
7.2.290.0080.00816.61
7.2.60.0030.01016.85
7.2.00.0080.00419.53
7.1.200.0000.01215.69
7.1.100.0120.00817.98
7.1.70.0000.01517.02
7.1.60.0180.00720.03
7.1.50.0170.00616.87
7.1.00.0000.08022.33
7.0.200.0150.00916.39
7.0.60.0000.04320.02
7.0.50.0100.08017.69
7.0.40.0070.08720.24
7.0.30.0500.04720.07
7.0.20.0330.04720.26
7.0.10.0200.04720.30
7.0.00.0130.07320.21
5.6.280.0000.06721.07
5.6.210.0130.07320.70
5.6.200.0070.07718.15
5.6.190.0070.04320.55
5.6.180.0230.04020.64
5.6.170.0270.04020.62
5.6.160.0100.06720.54
5.6.150.0130.07018.22
5.6.140.0100.04318.16
5.6.130.0030.08718.21
5.6.120.0070.05721.01
5.6.110.0030.09021.05
5.6.100.0170.05721.01
5.6.90.0100.08721.01
5.6.80.0070.08320.38
5.6.70.3330.04020.38
5.5.350.0070.03320.37
5.5.340.0000.05018.05
5.5.330.0130.08020.32
5.5.320.0170.04720.35
5.5.310.0100.04720.51
5.5.300.0100.05317.97
5.5.290.0100.08017.95
5.5.280.0170.05720.80
5.5.270.0100.03720.77
5.5.260.0170.06020.87
5.5.250.0070.08720.78
5.5.240.0070.03720.37
5.4.450.0770.06719.58
5.4.440.0630.07319.46
5.4.430.0870.05319.46
5.4.420.0800.06019.57
5.4.410.0700.04719.33
5.4.400.0630.06019.23
5.4.390.0830.05019.13
5.4.380.0800.05719.25
5.4.370.0670.07719.14
5.4.360.0670.07019.10
5.4.350.0600.04019.22
5.4.340.0530.05019.14
5.4.320.1000.06719.11
5.4.310.1000.06719.12
5.4.300.0800.05019.29
5.4.290.0700.04318.84
5.4.280.0600.05318.85
5.4.270.0700.06319.22
5.4.260.0800.06718.84
5.4.250.0800.04318.84
5.4.240.0970.05719.05
5.4.230.0700.05719.21
5.4.220.0670.05319.24
5.4.210.0700.06018.98
5.4.200.0870.05016.77
5.4.190.1030.06018.93
5.4.180.0870.04719.17
5.4.170.0800.06719.21
5.4.160.0630.05319.07
5.4.150.0770.05319.05
5.4.140.0670.05716.34
5.4.130.0700.04716.57
5.4.120.0730.04716.55
5.4.110.0530.05016.46
5.4.100.0700.07316.56
5.4.90.0870.05316.31
5.4.80.0670.05316.39
5.4.70.0700.06316.29
5.4.60.0070.07016.36
5.4.50.0030.07016.38
5.4.40.0070.04716.38
5.4.30.0230.05016.18
5.4.20.0170.04016.48

preferences:
43.28 ms | 401 KiB | 5 Q