3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = '我这是怎么了'; echo preg_replace("/([u4e00-u9fa5].)/","<font color=red>1</font>",$str); ?>

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)
8.3.70.0040.01116.63
8.3.60.0000.01616.38
8.3.50.0100.00822.17
8.3.40.0100.00619.09
8.3.30.0070.01018.71
8.3.20.0040.00420.25
8.3.10.0090.00023.65
8.3.00.0040.00419.38
8.2.190.0090.00618.32
8.2.180.0130.00616.63
8.2.170.0000.01522.96
8.2.160.0130.00321.95
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0060.00317.63
8.2.120.0040.00426.35
8.2.110.0070.00319.45
8.2.100.0070.00417.84
8.2.90.0030.00519.26
8.2.80.0080.00017.97
8.2.70.0000.01017.75
8.2.60.0080.00017.93
8.2.50.0040.00418.07
8.2.40.0040.00419.40
8.2.30.0000.00720.65
8.2.20.0030.00617.75
8.2.10.0000.00717.97
8.2.00.0040.00418.00
8.1.280.0120.00625.92
8.1.270.0060.00323.92
8.1.260.0040.00428.09
8.1.250.0050.00328.09
8.1.240.0090.00021.35
8.1.230.0040.00817.64
8.1.220.0030.00517.74
8.1.210.0030.00618.77
8.1.200.0000.00917.25
8.1.190.0050.00317.35
8.1.180.0090.00018.10
8.1.170.0060.00318.64
8.1.160.0000.00721.84
8.1.150.0040.00418.72
8.1.140.0050.00519.54
8.1.130.0040.00417.58
8.1.120.0000.00817.54
8.1.110.0040.00417.54
8.1.100.0080.00017.47
8.1.90.0040.00417.42
8.1.80.0030.00517.56
8.1.70.0000.00717.55
8.1.60.0040.00417.65
8.1.50.0030.00617.62
8.1.40.0050.00317.49
8.1.30.0040.00417.77
8.1.20.0050.00317.64
8.1.10.0000.00817.70
8.1.00.0040.00417.63
8.0.300.0030.00618.77
8.0.290.0040.00416.88
8.0.280.0000.00818.50
8.0.270.0030.00317.15
8.0.260.0040.00417.29
8.0.250.0000.00817.12
8.0.240.0040.00416.99
8.0.230.0030.00717.04
8.0.220.0000.00716.97
8.0.210.0040.00417.01
8.0.200.0060.00017.04
8.0.190.0070.00016.93
8.0.180.0050.00316.88
8.0.170.0070.00416.96
8.0.160.0000.00716.93
8.0.150.0000.00716.91
8.0.140.0000.00716.83
8.0.130.0000.00513.44
8.0.120.0080.00016.93
8.0.110.0000.00816.95
8.0.100.0000.00817.03
8.0.90.0040.00417.03
8.0.80.0030.01116.86
8.0.70.0040.00417.03
8.0.60.0040.00416.97
8.0.50.0000.00716.84
8.0.30.0140.00517.19
8.0.20.0060.01217.40
8.0.10.0040.00417.15
8.0.00.0120.00817.00
7.4.330.0000.00516.86
7.4.320.0030.00316.63
7.4.300.0030.00316.80
7.4.290.0030.00316.61
7.4.280.0070.00016.72
7.4.270.0000.00716.75
7.4.260.0030.00316.73
7.4.250.0040.00416.75
7.4.240.0020.00516.76
7.4.230.0000.00616.54
7.4.220.0230.00016.85
7.4.210.0090.00616.84
7.4.200.0000.00716.49
7.4.160.0060.00916.71
7.4.150.0150.00317.40
7.4.140.0130.00917.86
7.4.130.0080.00816.57
7.4.120.0050.01316.75
7.4.110.0030.01316.64
7.4.100.0110.00716.75
7.4.90.0030.02316.77
7.4.80.0090.01219.39
7.4.70.0140.00316.65
7.4.60.0150.00316.62
7.4.50.0040.01516.65
7.4.40.0110.00616.58
7.4.30.0090.00916.54
7.4.00.0080.00615.07
7.3.330.0000.00713.04
7.3.320.0030.00313.08
7.3.310.0040.00416.16
7.3.300.0070.00016.19
7.3.290.0060.01016.30
7.3.280.0090.00716.28
7.3.270.0120.00617.40
7.3.260.0100.00716.29
7.3.240.0100.00816.50
7.3.230.0100.00716.39
7.3.210.0090.00616.25
7.3.200.0140.00916.69
7.3.190.0140.00416.59
7.3.180.0130.00316.53
7.3.170.0090.00616.59
7.3.160.0110.00516.23
7.3.120.0030.01314.85
7.3.110.0030.01314.34
7.3.100.0130.00615.12
7.3.90.0070.01114.95
7.3.80.0070.00714.84
7.3.70.0030.01414.73
7.3.60.0030.01214.89
7.3.50.0070.01014.76
7.3.40.0030.01014.93
7.3.30.0110.01114.68
7.3.20.0100.00716.69
7.3.10.0060.00816.66
7.3.00.0020.01116.59
7.2.330.0100.00716.77
7.2.320.0130.00316.69
7.2.310.0160.00016.66
7.2.300.0050.01416.61
7.2.290.0040.01516.76
7.2.250.0130.00715.04
7.2.240.0070.01315.16
7.2.230.0130.00315.02
7.2.220.0000.01415.13
7.2.210.0120.00415.16
7.2.200.0040.01514.86
7.2.190.0100.00614.77
7.2.180.0100.00315.13
7.2.170.0000.01514.94
7.2.130.0080.00316.66
7.2.120.0120.00316.96
7.2.110.0120.00016.68
7.2.100.0060.00316.95
7.2.90.0090.00616.76
7.2.80.0040.01417.07
7.2.70.0070.00316.81
7.2.60.0030.01317.05
7.2.50.0100.00316.80
7.2.40.0030.00716.75
7.2.30.0070.00716.87
7.2.20.0090.00616.99
7.2.10.0070.00316.75
7.2.00.0030.01118.16
7.1.330.0090.00615.82
7.1.320.0060.00315.70
7.1.310.0030.00916.10
7.1.300.0040.01415.85
7.1.290.0030.01015.96
7.1.280.0040.01415.96
7.1.270.0080.00815.83
7.1.260.0130.00715.99
7.1.250.0090.00615.99
7.1.100.0810.00916.15
7.1.70.0050.00317.33
7.1.60.0100.01319.48
7.1.50.0070.01416.84
7.1.00.0100.07022.48
7.0.200.0430.00714.66
7.0.60.0100.04019.92
7.0.50.0030.04017.82
7.0.40.0100.03720.32
7.0.30.0270.08320.02
7.0.20.0370.06020.10
7.0.10.0130.05020.18
7.0.00.0000.04720.11
5.6.280.0000.06320.77
5.6.210.0170.07720.66
5.6.200.0100.04018.17
5.6.190.0000.04320.43
5.6.180.0100.08020.46
5.6.170.0230.04720.52
5.6.160.0070.08320.49
5.6.150.0070.03718.17
5.6.140.0130.07718.18
5.6.130.0070.08018.10
5.6.120.0030.08020.98
5.6.110.0200.07320.98
5.6.100.0070.08321.01
5.6.90.0070.08720.96
5.6.80.0100.07020.52
5.5.350.3970.04320.38
5.5.340.0070.04018.01
5.5.330.0100.07320.25
5.5.320.0070.05320.32
5.5.310.0200.03720.12
5.5.300.0170.07017.92
5.5.290.0100.07018.02
5.5.280.0000.05020.64
5.5.270.0030.08720.96
5.5.260.0100.08020.79
5.5.250.0030.04720.71
5.5.240.0330.07320.14

preferences:
51.58 ms | 401 KiB | 5 Q