3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = preg_replace('/(\d)/','12345', '$\1a'); echo $a;

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)
8.3.70.0110.00418.55
8.3.60.0000.01418.30
8.3.50.0050.01421.99
8.3.40.0100.00318.82
8.3.30.0100.00720.41
8.3.20.0050.00220.29
8.3.10.0080.00022.21
8.3.00.0050.00322.46
8.2.180.0100.00616.88
8.2.170.0040.01122.96
8.2.160.0070.01020.34
8.2.150.0030.00624.18
8.2.140.0040.00424.66
8.2.130.0030.00626.16
8.2.120.0000.00819.89
8.2.110.0090.00022.32
8.2.100.0090.00317.78
8.2.90.0080.00019.23
8.2.80.0000.00719.16
8.2.70.0030.00617.75
8.2.60.0060.00318.04
8.2.50.0060.00318.07
8.2.40.0020.00518.28
8.2.30.0060.00318.09
8.2.20.0070.00017.71
8.2.10.0050.00217.72
8.2.00.0040.00717.80
8.1.280.0070.00725.92
8.1.270.0020.00524.66
8.1.260.0050.00326.35
8.1.250.0000.00728.09
8.1.240.0040.00423.67
8.1.230.0040.00719.08
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0110.00017.35
8.1.190.0040.00417.41
8.1.180.0060.00319.01
8.1.170.0030.00518.41
8.1.160.0050.00222.21
8.1.150.0000.00818.65
8.1.140.0000.00717.41
8.1.130.0070.00017.86
8.1.120.0000.00817.52
8.1.110.0000.00817.50
8.1.100.0040.00417.52
8.1.90.0070.00317.58
8.1.80.0000.00817.44
8.1.70.0000.00717.56
8.1.60.0040.00417.68
8.1.50.0030.00517.60
8.1.40.0040.00417.57
8.1.30.0060.00317.63
8.1.20.0000.00817.70
8.1.10.0040.00417.64
8.1.00.0050.00317.48
8.0.300.0050.00218.77
8.0.290.0040.00417.05
8.0.280.0040.00418.54
8.0.270.0050.00317.25
8.0.260.0000.00716.98
8.0.250.0110.00017.05
8.0.240.0040.00416.98
8.0.230.0030.00517.05
8.0.220.0050.00316.88
8.0.210.0000.00716.86
8.0.200.0000.00717.01
8.0.190.0000.00917.07
8.0.180.0040.00416.89
8.0.170.0040.00416.90
8.0.160.0050.00317.00
8.0.150.0000.00716.99
8.0.140.0030.00316.91
8.0.130.0060.00013.37
8.0.120.0000.00716.90
8.0.110.0050.00217.02
8.0.100.0000.00716.79
8.0.90.0050.00317.00
8.0.80.0120.00317.02
8.0.70.0040.00416.95
8.0.60.0000.00716.87
8.0.50.0040.00416.92
8.0.30.0120.00917.16
8.0.20.0100.00817.41
8.0.10.0000.00917.07
8.0.00.0090.01116.89
7.4.330.0060.00015.00
7.4.320.0000.00616.63
7.4.300.0000.00616.66
7.4.290.0040.00416.74
7.4.280.0040.00416.79
7.4.270.0000.00716.58
7.4.260.0000.00513.49
7.4.250.0050.00316.62
7.4.240.0010.00716.72
7.4.230.0070.00016.82
7.4.220.0090.00916.62
7.4.210.0080.00916.76
7.4.200.0030.00316.49
7.4.190.0040.00416.74
7.4.160.0070.01016.49
7.4.150.0060.01317.40
7.4.140.0100.00817.86
7.4.130.0080.00916.54
7.4.120.0060.01316.78
7.4.110.0030.01416.60
7.4.100.0040.01816.56
7.4.90.0130.00316.76
7.4.80.0060.01619.39
7.4.70.0040.01416.78
7.4.60.0030.01316.78
7.4.50.0040.00416.70
7.4.40.0060.00622.77
7.4.30.0120.00916.63
7.4.00.0030.01015.11
7.3.330.0050.00013.28
7.3.320.0030.00313.18
7.3.310.0000.00716.45
7.3.300.0000.00716.35
7.3.290.0040.01216.39
7.3.280.0080.00816.36
7.3.270.0130.00617.40
7.3.260.0090.01316.77
7.3.250.0110.00816.61
7.3.240.0030.01516.73
7.3.230.0080.01316.39
7.3.210.0040.01516.81
7.3.200.0140.01019.39
7.3.190.0070.01416.41
7.3.180.0120.00416.62
7.3.170.0090.00616.63
7.3.160.0110.00816.29
7.3.120.0000.01715.17
7.2.330.0090.00916.68
7.2.320.0180.00016.76
7.2.310.0090.01216.58
7.2.300.0160.00016.79
7.2.290.0050.01416.75
7.2.00.0090.00619.57
7.1.100.0070.01018.27
7.1.70.0050.00517.45
7.1.60.0030.01719.43
7.1.50.0190.01634.70
7.1.00.0070.03022.34
7.0.200.0030.00316.45
7.0.140.0030.07722.13
7.0.60.0070.06320.00
7.0.50.0030.06717.70
7.0.40.0030.09020.06
7.0.30.0430.07320.01
7.0.20.0100.04720.14
7.0.10.0070.08020.13
7.0.00.0100.05020.44
5.6.280.0100.06721.01
5.6.210.0100.08320.56
5.6.200.0070.07718.19
5.6.190.0100.06720.39
5.6.180.0530.07020.77
5.6.170.0230.08020.47
5.6.160.0070.08320.52
5.6.150.0000.04718.13
5.6.140.0170.05018.14
5.6.130.0070.07718.07
5.6.120.0130.07721.11
5.6.110.0130.08720.88
5.6.100.0170.07320.97
5.6.90.0170.04320.97
5.6.80.0100.08020.34
5.5.350.4200.04320.32
5.5.340.0100.07718.01
5.5.330.0070.04320.21
5.5.320.0100.08020.26
5.5.310.0370.05720.27
5.5.300.0070.03718.00
5.5.290.0130.06318.01
5.5.280.0030.07020.73
5.5.270.0000.04720.78
5.5.260.0030.04320.85
5.5.250.0170.07320.70
5.5.240.0170.07320.15
5.4.450.3400.04319.57
5.4.440.3200.04019.26
5.4.430.3470.03719.41
5.4.420.4200.03019.41
5.4.410.4370.03719.28
5.4.400.3970.03019.10
5.4.390.3430.04018.90
5.4.380.3530.03719.22
5.4.370.3570.03319.16
5.4.360.3300.03719.16
5.4.350.3530.04019.24
5.4.340.3130.03719.16
5.4.320.3230.03319.13
5.4.310.3470.03719.25
5.4.300.3800.04019.21
5.4.290.4030.03318.91
5.4.280.3400.04319.08
5.4.270.3830.03319.24
5.4.260.4370.03719.05
5.4.250.4100.03719.12
5.4.240.3830.03719.12
5.4.230.4100.04318.93
5.4.220.3730.03719.07
5.4.210.3630.03319.09
5.4.200.4200.03719.17
5.4.190.3230.03319.08
5.4.180.4070.03018.80
5.4.170.3230.03718.80
5.4.160.3330.03319.06
5.4.150.3370.03319.21
5.4.140.3170.03016.35
5.4.130.3330.03016.45
5.4.120.3370.03016.28
5.4.110.3300.02716.34
5.4.100.3270.04016.49
5.4.90.3570.04016.41
5.4.80.3270.03716.37
5.4.70.3800.03316.52
5.4.60.3370.04016.20
5.4.50.3500.04016.43
5.4.40.3170.03716.36
5.4.30.3200.03716.03
5.4.20.3670.03316.36
5.4.10.4130.03316.33
5.4.00.3730.03715.72
5.3.290.3570.03314.51
5.3.280.4070.04314.43
5.3.270.3330.03314.55
5.3.260.3370.04314.69
5.3.250.3670.03714.47
5.3.240.3630.04714.46
5.3.230.3030.04014.54
5.3.220.3330.03714.50
5.3.210.3400.03014.61
5.3.200.3300.04014.46
5.3.190.3570.03714.56
5.3.180.3630.04014.40
5.3.170.3370.04314.42
5.3.160.3400.04014.41
5.3.150.3430.04014.64
5.3.140.3400.04014.48
5.3.130.3430.03714.46
5.3.120.3570.03314.54
5.3.110.4030.03314.42
5.3.100.3300.02713.87
5.3.90.3530.03313.93
5.3.80.3230.03313.96
5.3.70.4130.03013.86
5.3.60.3530.03714.11
5.3.50.3730.03713.90
5.3.40.3400.03013.73
5.3.30.4170.04713.93
5.3.20.3930.03313.52
5.3.10.3930.03013.45
5.3.00.3200.03313.48
5.2.170.2970.02711.15
5.2.160.3530.02310.99
5.2.150.2600.03310.98
5.2.140.3600.02711.00
5.2.130.2900.02711.00
5.2.120.3270.03010.95
5.2.110.2700.03011.14
5.2.100.2800.02711.04
5.2.90.2930.02711.03
5.2.80.3400.02311.14
5.2.70.3370.03010.98
5.2.60.3270.03310.89
5.2.50.3600.02310.83
5.2.40.2630.03310.84
5.2.30.2470.03010.82
5.2.20.2700.03010.90
5.2.10.2270.02310.71
5.2.00.2070.03310.72
5.1.60.2570.02310.10
5.1.50.2200.02710.00
5.1.40.2430.0209.85
5.1.30.2400.02710.25
5.1.20.2470.02710.29
5.1.10.2370.0179.98
5.1.00.2230.02710.07
5.0.50.1170.0178.66
5.0.40.1370.0278.33
5.0.30.1130.0308.08
5.0.20.1170.0138.18
5.0.10.1300.0208.39
5.0.00.1370.0308.04
4.4.90.1430.0135.94
4.4.80.1670.0205.94
4.4.70.1370.0175.94
4.4.60.1400.0205.94
4.4.50.1270.0135.94
4.4.40.1230.0275.94
4.4.30.1370.0205.94
4.4.20.1270.0205.94
4.4.10.1130.0135.94
4.4.00.1200.0275.94
4.3.110.1100.0175.80
4.3.100.1370.0135.80
4.3.90.1400.0175.80
4.3.80.1330.0275.80
4.3.70.1600.0175.80
4.3.60.1570.0175.80
4.3.50.1730.0135.80
4.3.40.1370.0275.80
4.3.30.0900.0175.80
4.3.20.0700.0175.80
4.3.10.0870.0175.80
4.3.00.0830.0135.80

preferences:
48.79 ms | 401 KiB | 5 Q