3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo preg_replace('/[μ]/i', 'u', 'μ');

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)
8.5.30.0100.00917.36
8.5.20.0110.00620.14
8.5.10.0090.01016.68
8.5.00.0100.01219.92
8.4.180.0150.00721.99
8.4.170.0060.00423.82
8.4.160.0120.01123.13
8.4.150.0070.00516.93
8.4.140.0150.00517.64
8.4.130.0130.00817.89
8.4.120.0110.00920.68
8.4.110.0150.00522.53
8.4.100.0150.00720.64
8.4.90.0110.00920.46
8.4.80.0150.00517.94
8.4.70.0020.00618.29
8.4.60.0120.00818.82
8.4.50.0090.01018.60
8.4.40.0090.00617.80
8.4.30.0040.00420.82
8.4.20.0040.01524.31
8.4.10.0030.00619.46
8.3.300.0100.01019.02
8.3.290.0030.00622.65
8.3.280.0150.00818.69
8.3.270.0140.00716.58
8.3.260.0090.01016.62
8.3.250.0080.01119.00
8.3.240.0120.00718.91
8.3.230.0140.00616.84
8.3.220.0120.00917.14
8.3.210.0090.01018.66
8.3.200.0030.00616.55
8.3.190.0090.00917.18
8.3.180.0110.00716.72
8.3.170.0090.00918.98
8.3.160.0060.01217.13
8.3.150.0110.00720.61
8.3.140.0120.00616.91
8.3.130.0050.00316.75
8.3.120.0000.00918.74
8.3.110.0060.00316.56
8.3.100.0000.00818.55
8.3.90.0090.00018.73
8.3.80.0070.00319.36
8.3.70.0140.00016.61
8.3.60.0080.00816.75
8.3.50.0140.00423.78
8.3.40.0150.00020.47
8.3.30.0070.00718.97
8.3.20.0030.00624.18
8.3.10.0030.00624.66
8.3.00.0080.00026.16
8.2.300.0070.01220.13
8.2.290.0110.00720.47
8.2.280.0090.01018.13
8.2.270.0070.01118.74
8.2.260.0140.00418.16
8.2.250.0040.00416.84
8.2.240.0090.00616.30
8.2.230.0090.00020.94
8.2.220.0040.00424.06
8.2.210.0050.00326.77
8.2.200.0100.00018.42
8.2.190.0080.00817.00
8.2.180.0070.00725.92
8.2.170.0090.00618.91
8.2.160.0120.00322.96
8.2.150.0030.00525.66
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0070.00026.35
8.2.110.0060.00319.38
8.2.100.0090.00318.03
8.2.90.0050.00317.75
8.2.80.0060.00318.90
8.2.70.0000.00917.75
8.2.60.0000.00917.74
8.2.50.0050.00318.05
8.2.40.0080.00019.88
8.2.30.0000.00718.00
8.2.20.0000.00718.07
8.2.10.0040.00419.30
8.2.00.0000.00719.24
8.1.340.0130.00817.80
8.1.330.0030.00421.76
8.1.320.0120.00816.36
8.1.310.0150.00316.64
8.1.300.0090.00016.05
8.1.290.0030.00618.88
8.1.280.0140.00025.92
8.1.270.0030.00623.99
8.1.260.0070.00028.09
8.1.250.0080.00028.09
8.1.240.0090.00020.87
8.1.230.0000.01320.97
8.1.220.0000.00818.69
8.1.210.0040.00418.77
8.1.200.0030.00617.41
8.1.190.0040.00417.35
8.1.180.0090.00018.10
8.1.170.0020.00518.96
8.1.160.0040.00418.82
8.1.150.0040.00418.88
8.1.140.0000.00818.80
8.1.130.0070.00020.04
8.1.120.0000.00717.47
8.1.110.0040.00417.35
8.1.100.0040.00417.37
8.1.90.0030.00317.38
8.1.80.0040.00417.44
8.1.70.0030.00317.36
8.1.60.0080.00017.58
8.1.50.0000.00817.52
8.1.40.0080.00017.56
8.1.30.0030.00517.64
8.1.20.0030.00517.63
8.1.10.0040.00417.55
8.1.00.0040.00417.48
8.0.300.0000.00718.77
8.0.290.0080.00016.58
8.0.280.0050.00318.29
8.0.270.0050.00318.00
8.0.260.0000.00718.38
8.0.250.0000.00617.03
8.0.240.0000.00617.03
8.0.230.0030.00316.92
8.0.220.0030.00316.86
8.0.210.0030.00316.99
8.0.200.0000.00717.00
8.0.190.0070.00016.95
8.0.180.0040.00816.93
8.0.170.0050.00316.92
8.0.160.0060.00316.74
8.0.150.0050.00216.91
8.0.140.0000.00716.89
8.0.130.0030.00313.31
8.0.120.0000.00716.95
8.0.110.0000.00716.81
8.0.100.0000.00716.83
8.0.90.0030.00516.91
8.0.80.0100.00516.90
8.0.70.0060.00316.98
8.0.60.0040.00416.96
8.0.50.0070.00016.86
8.0.30.0100.00717.18
8.0.20.0110.00617.08
8.0.10.0040.00416.98
8.0.00.0060.01216.71
7.4.330.0000.00515.55
7.4.320.0070.00016.53
7.4.300.0060.00016.62
7.4.290.0000.00716.55
7.4.280.0060.00616.70
7.4.270.0030.00316.60
7.4.260.0030.00313.46
7.4.250.0000.00716.70
7.4.240.0040.00416.59
7.4.230.0070.00016.73
7.4.220.0030.00416.80
7.4.210.0090.00816.67
7.4.200.0040.00416.80
7.4.130.0110.01016.59
7.4.120.0080.01216.68
7.4.110.0080.00816.76
7.4.100.0110.01216.47
7.4.90.0190.00516.51
7.4.80.0130.00916.37
7.4.70.0140.00516.37
7.4.60.0120.00716.25
7.4.50.0090.01116.40
7.4.40.0110.00816.51
7.4.30.0110.00716.29
7.4.20.0160.00316.27
7.4.10.0120.00716.37
7.4.00.0090.00916.45
7.3.330.0040.00416.11
7.3.320.0000.00512.99
7.3.310.0020.00516.12
7.3.300.0030.00316.38
7.3.290.0080.00916.25
7.3.260.0120.00616.29
7.3.230.0110.00816.26
7.3.220.0140.00616.27
7.3.210.0130.00616.28
7.3.200.0120.00716.52
7.3.190.0090.00916.42
7.3.180.0130.00816.22
7.3.170.0080.01216.30
7.3.160.0100.01116.22
7.3.150.0140.00716.38
7.3.140.0030.01416.30
7.3.130.0130.00616.25
7.3.120.0120.00716.31
7.3.110.0100.00916.18
7.3.100.0090.01016.49
7.3.90.0110.00916.41
7.3.80.0120.00716.34
7.3.70.0120.00616.31
7.3.60.0130.01116.49
7.3.50.0290.01016.32
7.3.40.0090.01116.40
7.3.30.0070.01116.31
7.3.20.0090.01016.33
7.3.10.0060.01316.28
7.3.00.0100.00816.35
7.2.330.0140.00816.55
7.2.320.0110.00916.30
7.2.310.0080.01016.59
7.2.300.0100.00916.62
7.2.290.0080.01116.60
7.2.280.0100.00816.48
7.2.270.0160.00516.43
7.2.260.0060.01316.42
7.2.250.0120.00816.42
7.2.240.0090.01016.44
7.2.230.0090.01216.54
7.2.220.0070.01316.55
7.2.210.0090.01216.49
7.2.200.0060.01316.59
7.2.190.0060.01316.35
7.2.180.0130.00616.44
7.2.170.0080.01416.61
7.2.160.0110.00916.48
7.2.150.0080.01116.35
7.2.140.0080.01216.42
7.2.130.0100.00916.49
7.2.120.0150.00616.59
7.2.110.0150.00516.53
7.2.100.0200.00816.55
7.2.90.0090.01116.55
7.2.80.0130.00816.56
7.2.70.0100.01016.55
7.2.60.0140.00716.51
7.2.50.0160.00516.56
7.2.40.0130.00716.63
7.2.30.0140.00816.73
7.2.20.0200.00616.63
7.2.10.0020.01716.64
7.2.00.0200.01016.67

preferences:
60.9 ms | 1471 KiB | 5 Q