3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = '919191911'; $pattern = '(\\d)(?=(\\d{3})+$)'; $replacement = '$1$4 $2$3$5'; echo preg_replace($pattern, $replacement, $string);

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)
8.3.60.0100.00716.75
8.3.50.0130.00521.02
8.3.40.0120.00418.54
8.3.30.0100.00318.82
8.3.20.0060.00320.24
8.3.10.0070.00022.10
8.3.00.0040.00422.39
8.2.180.0110.00416.38
8.2.170.0100.00322.96
8.2.160.0040.01119.16
8.2.150.0020.00524.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00419.23
8.2.110.0070.01022.25
8.2.100.0080.00318.03
8.2.90.0040.00419.05
8.2.80.0050.00317.97
8.2.70.0030.00617.50
8.2.60.0070.00317.80
8.2.50.0040.00418.07
8.2.40.0050.00318.22
8.2.30.0040.00418.03
8.2.20.0040.00417.64
8.2.10.0040.00417.67
8.2.00.0000.00717.67
8.1.280.0130.00725.92
8.1.270.0100.00522.19
8.1.260.0070.00026.35
8.1.250.0050.00328.09
8.1.240.0030.00523.84
8.1.230.0080.00419.10
8.1.220.0090.00017.74
8.1.210.0080.00018.77
8.1.200.0000.00917.35
8.1.190.0070.00017.30
8.1.180.0070.00018.66
8.1.170.0080.00018.66
8.1.160.0050.00222.13
8.1.150.0080.00018.44
8.1.140.0040.00417.41
8.1.130.0070.00017.85
8.1.120.0020.00517.29
8.1.110.0000.00817.31
8.1.100.0070.00017.43
8.1.90.0040.00417.34
8.1.80.0000.00717.27
8.1.70.0030.00317.28
8.1.60.0000.00817.47
8.1.50.0000.00717.41
8.1.40.0040.00417.34
8.1.30.0040.00417.41
8.1.20.0000.00817.62
8.1.10.0040.00417.54
8.1.00.0050.00317.42
8.0.300.0040.00418.77
8.0.290.0060.00317.05
8.0.280.0000.00718.48
8.0.270.0000.00717.24
8.0.260.0060.00016.87
8.0.250.0030.00316.90
8.0.240.0050.00217.00
8.0.230.0040.00416.82
8.0.220.0000.00716.89
8.0.210.0000.00716.92
8.0.200.0030.00316.95
8.0.190.0000.00816.98
8.0.180.0040.00416.96
8.0.170.0050.00316.84
8.0.160.0000.00816.92
8.0.150.0040.00416.80
8.0.140.0070.00016.74
8.0.130.0000.00613.31
8.0.120.0040.00416.87
8.0.110.0070.00016.78
8.0.100.0040.00416.80
8.0.90.0040.00416.73
8.0.80.0130.00716.81
8.0.70.0020.00516.78
8.0.60.0030.00316.74
8.0.50.0000.00716.67
8.0.30.0180.00016.99
8.0.20.0060.01217.40
8.0.10.0040.00416.82
8.0.00.0100.00816.62
7.4.330.0000.00515.00
7.4.320.0030.00616.35
7.4.300.0060.00016.56
7.4.290.0030.00316.42
7.4.280.0030.00316.52
7.4.270.0030.00316.43
7.4.260.0000.00716.44
7.4.250.0020.00516.41
7.4.240.0030.00416.46
7.4.230.0070.00016.55
7.4.220.0120.01316.55
7.4.210.0060.01016.58
7.4.200.0030.00316.59
7.4.190.0030.00316.32
7.4.160.0160.00016.49
7.4.150.0040.01317.40
7.4.140.0120.00517.86
7.4.130.0080.00916.54
7.4.120.0120.00616.41
7.4.110.0100.00716.45
7.4.100.0070.01016.42
7.4.90.0030.01316.31
7.4.80.0090.01419.39
7.4.70.0090.00916.34
7.4.60.0030.01416.48
7.4.50.0040.00416.27
7.4.40.0090.00622.77
7.4.30.0090.00616.46
7.4.00.0070.00714.89
7.3.330.0000.00513.03
7.3.320.0030.00313.05
7.3.310.0060.00016.14
7.3.300.0000.00616.18
7.3.290.0060.00916.24
7.3.280.0110.00516.21
7.3.270.0070.01317.40
7.3.260.0040.01616.20
7.3.250.0130.00416.38
7.3.240.0090.01516.24
7.3.230.0030.01316.47
7.3.210.0120.00616.34
7.3.200.0140.01019.39
7.3.190.0090.01216.43
7.3.180.0150.00616.24
7.3.170.0120.00916.27
7.3.160.0030.01316.38
7.3.120.0040.01414.92
7.2.330.0040.01516.58
7.2.320.0150.00916.57
7.2.310.0120.00916.57
7.2.300.0070.01016.48
7.2.290.0180.00016.71
7.2.60.0030.00816.29
7.2.00.0060.00619.24
7.1.200.0090.00615.66
7.1.100.0100.00318.22
7.1.70.0030.01717.04
7.1.60.0040.01919.82
7.1.50.0120.01216.57
7.1.00.0100.07022.48
7.0.200.0130.00316.63
7.0.140.0000.07721.92
7.0.100.0130.06020.15
7.0.90.0230.08019.95
7.0.80.0230.05019.98
7.0.70.0200.04019.87
7.0.60.0230.04319.98
7.0.50.0130.08020.24
7.0.40.0100.07320.12
7.0.30.0030.04020.17
7.0.20.0070.03720.08
7.0.10.0070.05020.07
7.0.00.0000.07320.18
5.6.280.0070.06721.14
5.6.250.0130.06320.63
5.6.240.0130.07020.59
5.6.230.0230.04020.65
5.6.220.0100.07720.64
5.6.210.0030.07720.51
5.6.200.0030.05021.05
5.6.190.0100.06021.00
5.6.180.0070.04021.16
5.6.170.0170.05021.13
5.6.160.0130.05321.01
5.6.150.0170.03721.13
5.6.140.0030.04721.09
5.6.130.0130.08021.16
5.6.120.0070.03721.10
5.6.110.0000.05021.04
5.6.100.0030.05020.98
5.6.90.0130.07321.03
5.6.80.0000.05320.31
5.6.70.0230.06320.47
5.6.60.0070.05020.37
5.6.50.0030.05020.38
5.6.40.0100.06720.40
5.6.30.0000.08320.45
5.6.20.0000.05320.42
5.6.10.0070.07720.45
5.6.00.0070.06720.34
5.5.380.0070.05320.36
5.5.370.0130.07320.32
5.5.360.0070.04320.35
5.5.350.0170.06720.36
5.5.340.0030.04320.77
5.5.330.0070.03720.84
5.5.320.0070.08020.72
5.5.310.0070.08320.88
5.5.300.0030.06320.79
5.5.290.0070.08020.82
5.5.280.0070.07320.72
5.5.270.0000.08020.90
5.5.260.0030.06020.81
5.5.250.0070.06320.54
5.5.240.0070.07720.23
5.5.230.0070.08020.21
5.5.220.0070.06720.28
5.5.210.0070.06020.19
5.5.200.0070.08020.25
5.5.190.0100.05720.14
5.5.180.0100.07719.98
5.5.160.0000.05320.22
5.5.150.0100.05720.08
5.5.140.0100.08020.22
5.5.130.0000.07019.99
5.5.120.0070.04320.25
5.5.110.0130.06320.23
5.5.100.0070.06019.94
5.5.90.0000.09020.06
5.5.80.0300.02320.03
5.5.70.0100.08020.03
5.5.60.0000.06719.93
5.5.50.0030.08020.02
5.5.40.0130.04020.13
5.5.30.0070.07720.06
5.5.20.0130.07320.12
5.5.10.0100.07720.08
5.5.00.0070.06319.96
5.4.450.0100.03719.27
5.4.440.0070.05719.55
5.4.430.0030.04019.22
5.4.420.0030.06019.36
5.4.410.0030.05719.16
5.4.400.0030.03719.05
5.4.390.0070.07719.11
5.4.380.0070.03719.06
5.4.370.0170.06718.81
5.4.360.0030.05719.14
5.4.350.0070.07718.81
5.4.340.0200.06019.23
5.4.320.0030.04719.03
5.4.310.0130.04319.06
5.4.300.0070.08019.09
5.4.290.0000.05018.98
5.4.280.0000.05018.94
5.4.270.0100.07718.78
5.4.260.0130.06718.94
5.4.250.0070.04019.02
5.4.240.0030.04719.22
5.4.230.0000.04019.22
5.4.220.0030.04719.22
5.4.210.0030.06019.02
5.4.200.0030.04019.11
5.4.190.0030.04319.02
5.4.180.0070.07019.09
5.4.170.0100.07018.89
5.4.160.0170.07018.95
5.4.150.0100.05318.77
5.4.140.0030.07716.27
5.4.130.0070.05716.27
5.4.120.0100.07316.28
5.4.110.0100.07016.20
5.4.100.0070.04316.26
5.4.90.0030.07316.44
5.4.80.0030.03316.34
5.4.70.0070.05716.32
5.4.60.0170.05016.28
5.4.50.0000.05016.30
5.4.40.0070.06016.29
5.4.30.0100.06016.19
5.4.20.0130.02316.32
5.4.10.0070.03316.30
5.4.00.0030.07315.71
5.3.290.0130.08714.66
5.3.280.0030.06314.50
5.3.270.0200.06014.43
5.3.260.0070.06314.59
5.3.250.0100.05314.59
5.3.240.0030.05014.58
5.3.230.0130.07014.55
5.3.220.0070.06714.47
5.3.210.0030.08014.42
5.3.200.0030.07314.38
5.3.190.0070.08314.58
5.3.180.0100.06314.53
5.3.170.0070.05314.55
5.3.160.0030.05714.38
5.3.150.0030.05314.55
5.3.140.0030.03714.38
5.3.130.0000.04014.55
5.3.120.0030.03714.53
5.3.110.0030.06314.50
5.3.100.0070.06014.04
5.3.90.0000.06313.95
5.3.80.0070.04313.95
5.3.70.0130.07013.99
5.3.60.0030.03713.85
5.3.50.0100.06713.85
5.3.40.0070.06013.88
5.3.30.0170.06313.89
5.3.20.0000.03713.68
5.3.10.0030.04013.64
5.3.00.0030.07713.49
5.2.170.0030.05712.36
5.2.160.0070.06012.36
5.2.150.0070.05312.36
5.2.140.0070.03012.36
5.2.130.0030.02712.36
5.2.120.0100.02312.36
5.2.110.0000.04012.36
5.2.100.0100.02712.36
5.2.90.0030.03312.36
5.2.80.0000.03312.36
5.2.70.0170.04712.36
5.2.60.0130.04312.36
5.2.50.0030.04012.36
5.2.40.0070.06012.36
5.2.30.0070.05712.36
5.2.20.0000.03012.36
5.2.10.0070.04712.36
5.2.00.0000.03312.36
5.1.60.0070.05312.36
5.1.50.0130.03312.36
5.1.40.0030.02712.36
5.1.30.0030.04312.36
5.1.20.0000.03012.36
5.1.10.0100.04312.36
5.1.00.0030.03012.36
5.0.50.0030.02312.36
5.0.40.0070.03012.36
5.0.30.0030.03012.36
5.0.20.0030.02312.36
5.0.10.0030.02312.36
5.0.00.0000.03712.36
4.4.90.0030.03312.36
4.4.80.0000.03012.36
4.4.70.0000.02312.36
4.4.60.0000.02012.36
4.4.50.0030.01312.36
4.4.40.0030.02712.36
4.4.30.0000.02012.36
4.4.20.0000.01712.36
4.4.10.0030.01312.36
4.4.00.0070.02012.36
4.3.110.0000.03312.36
4.3.100.0070.03012.36
4.3.90.0000.03012.36
4.3.80.0030.03312.36
4.3.70.0030.03312.36
4.3.60.0000.03012.36
4.3.50.0000.02012.36
4.3.40.0000.04712.36
4.3.30.0000.04012.36
4.3.20.0000.02012.36
4.3.10.0100.02312.36
4.3.00.0000.01712.36

preferences:
44.74 ms | 401 KiB | 5 Q