3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(mb_ereg_replace('\s*(?<word>\w+)\s*', "_\k<word>_\k'word'_", ' foo '));

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)
8.3.60.0120.00418.53
8.3.50.0070.00718.13
8.3.40.0150.00018.84
8.3.30.0140.00418.54
8.3.20.0000.00721.90
8.3.10.0090.00023.77
8.3.00.0040.00423.74
8.2.180.0170.00325.92
8.2.170.0110.00418.82
8.2.160.0100.01022.96
8.2.150.0060.00325.66
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0040.00421.25
8.2.110.0090.00020.52
8.2.100.0120.00017.59
8.2.90.0060.00317.75
8.2.80.0050.00318.84
8.2.70.0080.00017.63
8.2.60.0080.00017.68
8.2.50.0040.00418.07
8.2.40.0040.00418.22
8.2.30.0040.00418.01
8.2.20.0050.00317.93
8.2.10.0030.00519.18
8.2.00.0040.00419.52
8.1.280.0100.00625.92
8.1.270.0040.00424.66
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0060.00318.92
8.1.230.0110.00017.83
8.1.220.0000.00717.76
8.1.210.0030.00518.77
8.1.200.0060.00317.13
8.1.190.0040.00417.35
8.1.180.0060.00318.10
8.1.170.0020.00519.09
8.1.160.0000.00718.91
8.1.150.0030.00318.91
8.1.140.0000.00724.05
8.1.130.0000.00720.25
8.1.120.0000.00717.54
8.1.110.0000.00717.43
8.1.100.0040.00417.52
8.1.90.0050.00217.52
8.1.80.0080.00017.51
8.1.70.0020.00517.52
8.1.60.0040.00417.60
8.1.50.0040.00417.54
8.1.40.0000.00717.56
8.1.30.0050.00317.67
8.1.20.0000.00817.75
8.1.10.0060.00317.56
8.1.00.0040.00417.55
8.0.300.0040.00418.77
8.0.290.0060.00316.63
8.0.280.0040.00418.51
8.0.270.0080.00017.33
8.0.260.0030.00318.36
8.0.250.0030.00317.02
8.0.240.0040.00416.98
8.0.230.0040.00416.90
8.0.220.0050.00316.98
8.0.210.0030.00316.97
8.0.200.0030.00316.98
8.0.190.0030.00517.04
8.0.180.0030.00516.93
8.0.170.0030.00616.80
8.0.160.0080.00016.90
8.0.150.0000.00716.90
8.0.140.0030.00416.91
8.0.130.0030.00313.38
8.0.120.0050.00316.76
8.0.110.0000.00716.79
8.0.100.0000.00716.76
8.0.90.0040.00416.93
8.0.80.0140.00516.98
8.0.70.0000.00716.80
8.0.60.0030.00516.95
8.0.50.0040.00416.84
8.0.30.0090.00617.05
8.0.20.0100.00917.40
8.0.10.0030.00516.89
8.0.00.0080.00916.71
7.4.330.0060.00016.79
7.4.320.0030.00316.59
7.4.300.0000.00616.56
7.4.290.0030.00316.56
7.4.280.0080.00016.45
7.4.270.0070.00016.64
7.4.260.0000.00716.54
7.4.250.0000.00716.59
7.4.240.0080.00016.63
7.4.230.0000.00716.77
7.4.220.0040.00416.47
7.4.210.0080.01016.59
7.4.200.0000.00716.61
7.4.160.0090.00816.50
7.4.140.0120.00617.86
7.4.130.0120.00616.51
7.4.120.0070.01016.49
7.4.110.0080.01016.48
7.4.100.0150.00616.50
7.4.90.0060.01216.39
7.4.80.0090.00919.39
7.4.70.0110.00716.49
7.4.60.0070.01016.46
7.4.50.0040.01116.36
7.4.40.0100.01116.58
7.4.10.0090.00914.83
7.4.00.0060.01214.84
7.3.330.0050.00013.14
7.3.320.0030.00313.07
7.3.310.0040.00416.43
7.3.300.0070.00016.13
7.3.290.0070.00016.08
7.3.280.0070.01316.25
7.3.260.0130.00616.30
7.3.240.0110.00816.46
7.3.230.0030.02016.36
7.3.210.0100.00716.26
7.3.200.0030.01216.49
7.3.190.0120.01116.28
7.3.180.0100.00716.45
7.3.170.0150.00816.39
7.3.160.0190.00316.23
7.3.130.0060.01314.45
7.3.120.0070.01114.67
7.3.110.0100.01014.71
7.3.100.0050.00714.69
7.3.90.0080.00214.66
7.3.80.0040.00914.86
7.3.70.0060.00614.75
7.3.60.0090.00614.79
7.3.50.0050.00814.58
7.3.40.0030.01014.79
7.3.30.0070.00714.76
7.3.20.0040.00816.68
7.3.10.0060.00416.56
7.3.00.0060.01016.52
7.2.330.0100.00716.46
7.2.320.0090.01016.51
7.2.310.0100.01016.29
7.2.300.0060.01016.30
7.2.290.0030.01516.44
7.2.260.0070.01115.07
7.2.250.0100.00714.93
7.2.240.0070.01114.80
7.2.230.0020.01514.88
7.2.220.0070.00814.79
7.2.210.0060.01114.89
7.2.200.0070.00414.92
7.2.190.0030.01414.89
7.2.180.0050.01114.79
7.2.170.0000.01614.90
7.2.160.0000.01314.95
7.2.150.0060.00916.75
7.2.140.0100.00716.80
7.2.130.0050.01216.60
7.2.120.0080.00816.70
7.2.110.0060.00616.55
7.2.100.0050.00916.79
7.2.90.0080.00516.86
7.2.80.0110.00516.84
7.2.70.0050.00816.78
7.2.60.0110.00616.67
7.2.50.0060.00716.54
7.2.40.0100.00416.58
7.2.30.0120.00416.63
7.2.20.0050.00916.78
7.2.10.0070.00716.70
7.2.00.0070.00716.77
7.1.330.0020.01415.72
7.1.320.0070.00515.85
7.1.310.0050.00515.70
7.1.300.0040.00915.74
7.1.290.0070.00715.64
7.1.280.0100.00515.86
7.1.270.0050.00715.65
7.1.260.0050.00915.80
7.1.250.0050.00815.57
7.1.240.0100.00015.57
7.1.230.0090.00015.89
7.1.220.0030.00915.89
7.1.210.0040.01115.68
7.1.200.0000.01415.45
7.1.190.0040.00415.85
7.1.180.0030.00915.68
7.1.170.0070.00715.71
7.1.160.0000.01515.61
7.1.150.0060.00915.76
7.1.140.0040.01415.75
7.1.130.0030.00715.45
7.1.120.0090.00615.59
7.1.110.0030.01315.87
7.1.100.0030.01015.60
7.1.90.0030.01015.72
7.1.80.0030.01015.83
7.1.70.0110.00315.82
7.1.60.0100.00315.77
7.1.50.0100.00315.81
7.1.40.0060.00815.50
7.1.30.0060.00915.67
7.1.20.0000.01215.72
7.1.10.0070.00715.53
7.1.00.0080.00415.55
7.0.330.0070.00615.26
7.0.320.0070.00715.05
7.0.310.0090.00615.24
7.0.300.0060.00915.36
7.0.290.0030.01415.52
7.0.280.0030.00915.24
7.0.270.0000.01415.00
7.0.260.0100.00315.22
7.0.250.0040.00715.32
7.0.240.0030.00915.32
7.0.230.0060.00615.20
7.0.220.0070.00715.17
7.0.210.0000.01015.31
7.0.200.0090.00315.20
7.0.190.0080.00415.06
7.0.180.0090.00315.45
7.0.170.0100.00314.98
7.0.160.0030.00615.25
7.0.150.0000.00815.07
7.0.140.0100.00615.36
7.0.130.0140.00015.26
7.0.120.0040.01115.49
7.0.110.0000.01015.34
7.0.100.0070.00715.26
7.0.90.0070.00715.18
7.0.80.0040.01115.43
7.0.70.0120.00015.43
7.0.60.0060.00915.49
7.0.50.0070.00715.55
7.0.40.0070.00713.38
7.0.30.0000.01113.15
7.0.20.0060.00613.08
7.0.10.0000.00913.38
7.0.00.0060.00613.39
5.6.400.0110.00014.22
5.6.390.0060.01014.41
5.6.380.0060.00614.25
5.6.370.0040.00414.32
5.6.360.0090.00614.00
5.6.350.0040.01114.28
5.6.340.0060.00913.93
5.6.330.0030.01414.45
5.6.320.0110.00414.08
5.6.310.0060.01214.49
5.6.300.0070.00714.01
5.6.290.0030.01014.01
5.6.280.0030.00914.09
5.6.270.0090.00614.30
5.6.260.0060.00313.91
5.6.250.0090.00614.24
5.6.240.0070.00714.33
5.6.230.0090.00614.13
5.6.220.0080.00814.42
5.6.210.0030.01214.01
5.6.200.0090.00314.32
5.6.190.0070.00714.08
5.6.180.0000.01514.15
5.6.170.0070.00414.42
5.6.160.0060.00914.04
5.6.150.0030.01014.09
5.6.140.0060.00614.09
5.6.130.0060.00314.08
5.6.120.0060.00614.04
5.6.110.0060.00614.31
5.6.100.0000.01414.16
5.6.90.0020.01314.34
5.6.80.0090.00014.17
5.6.70.0060.00614.02
5.6.60.0030.01214.02
5.6.50.0030.01314.29
5.6.40.0100.00614.05
5.6.30.0040.01114.08
5.6.20.0070.00414.00
5.6.10.0110.00014.10
5.6.00.0030.01014.07

preferences:
61.49 ms | 400 KiB | 5 Q