3v4l.org

run code in 300+ PHP versions simultaneously
<?php $number = '9191919191'; $rest = substr($number, 0,4); $rest2 = substr($number, -5); $f = $rest.'-'.$rest2; echo $f;

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)
8.3.60.0150.00318.39
8.3.50.0120.00522.11
8.3.40.0070.01418.77
8.3.30.0070.00719.05
8.3.20.0070.00020.21
8.3.10.0040.00421.96
8.3.00.0080.00022.45
8.2.180.0110.00416.63
8.2.170.0140.00022.96
8.2.160.0000.01521.05
8.2.150.0080.00024.18
8.2.140.0120.00624.66
8.2.130.0090.00926.16
8.2.120.0000.00819.23
8.2.110.0080.00022.18
8.2.100.0110.00019.51
8.2.90.0000.00919.26
8.2.80.0000.00818.05
8.2.70.0040.00417.61
8.2.60.0000.00717.93
8.2.50.0090.00018.07
8.2.40.0000.00818.34
8.2.30.0070.00018.02
8.2.20.0040.00417.65
8.2.10.0040.00419.53
8.2.00.0000.00717.66
8.1.280.0120.00625.92
8.1.270.0040.00422.11
8.1.260.0040.00426.35
8.1.250.0030.00628.09
8.1.240.0030.00623.76
8.1.230.0090.00319.11
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0030.00617.23
8.1.190.0040.00417.41
8.1.180.0040.00418.10
8.1.170.0040.00418.56
8.1.160.0000.00822.00
8.1.150.0040.00418.64
8.1.140.0040.00417.36
8.1.130.0000.00717.84
8.1.120.0030.00617.30
8.1.110.0040.00417.42
8.1.100.0030.00417.46
8.1.90.0030.00417.51
8.1.80.0000.00717.36
8.1.70.0070.00017.40
8.1.60.0070.00317.54
8.1.50.0000.00817.52
8.1.40.0030.00517.54
8.1.30.0000.00817.49
8.1.20.0000.00817.66
8.1.10.0000.00717.52
8.1.00.0000.00917.46
8.0.300.0000.00718.77
8.0.290.0000.00817.30
8.0.280.0080.00018.44
8.0.270.0070.00017.30
8.0.260.0030.00316.81
8.0.250.0030.00317.00
8.0.240.0040.00416.96
8.0.230.0050.00316.97
8.0.220.0000.00616.94
8.0.210.0000.00716.80
8.0.200.0060.00016.96
8.0.190.0040.00416.92
8.0.180.0040.00416.84
8.0.170.0030.00316.93
8.0.160.0030.00516.91
8.0.150.0000.00716.87
8.0.140.0040.00416.73
8.0.130.0030.00313.36
8.0.120.0050.00316.80
8.0.110.0040.00416.93
8.0.100.0040.00416.74
8.0.90.0000.00816.80
8.0.80.0060.00916.86
8.0.70.0040.00416.95
8.0.60.0040.00416.76
8.0.50.0070.00016.71
8.0.30.0070.01417.02
8.0.20.0050.01317.40
8.0.10.0030.00316.93
8.0.00.0100.01116.75
7.4.330.0000.00515.08
7.4.320.0070.00016.64
7.4.300.0080.00016.51
7.4.290.0000.00716.41
7.4.280.0000.00716.39
7.4.270.0040.00416.56
7.4.260.0030.00716.55
7.4.250.0040.00416.61
7.4.240.0020.00516.62
7.4.230.0000.00716.32
7.4.220.0130.01016.50
7.4.210.0070.00916.51
7.4.200.0030.00316.61
7.4.190.0040.00416.48
7.4.160.0090.00616.41
7.4.150.0060.01017.40
7.4.140.0140.00317.86
7.4.130.0100.00916.38
7.4.120.0100.00616.58
7.4.110.0060.01916.36
7.4.100.0180.00616.56
7.4.90.0070.01016.42
7.4.80.0110.00619.39
7.4.70.0030.01316.48
7.4.60.0090.00616.33
7.4.50.0030.00716.52
7.4.40.0090.00622.77
7.4.30.0030.01416.60
7.4.00.0080.00614.69
7.3.330.0060.00013.07
7.3.320.0000.00512.99
7.3.310.0000.00716.25
7.3.300.0000.00616.22
7.3.290.0070.00716.17
7.3.280.0060.01016.22
7.3.270.0070.01417.40
7.3.260.0170.00016.19
7.3.250.0120.00516.32
7.3.240.0030.01616.23
7.3.230.0130.00316.39
7.3.210.0130.01016.25
7.3.200.0130.00319.39
7.3.190.0170.00016.09
7.3.180.0090.00816.57
7.3.170.0100.01016.58
7.3.160.0130.00616.21
7.3.120.0040.01014.64
7.3.110.0040.01114.72
7.3.100.0040.01415.03
7.3.90.0000.01114.46
7.3.80.0000.01214.88
7.3.70.0110.00414.69
7.3.60.0100.00314.72
7.3.50.0060.00314.41
7.3.40.0030.01014.74
7.3.30.0090.00014.84
7.3.20.0100.00616.32
7.3.10.0060.00616.66
7.3.00.0170.00016.50
7.2.330.0170.00016.41
7.2.320.0160.00516.57
7.2.310.0000.01616.55
7.2.300.0060.01516.59
7.2.290.0060.00916.75
7.2.250.0030.01115.31
7.2.240.0070.01114.92
7.2.230.0040.01115.26
7.2.220.0030.01014.92
7.2.210.0040.01214.71
7.2.200.0140.00314.87
7.2.190.0070.00715.06
7.2.180.0070.00715.11
7.2.170.0060.00915.07
7.2.60.0070.01017.05
7.2.00.0000.01219.20
7.1.330.0120.00315.72
7.1.320.0000.01315.78
7.1.310.0070.00315.60
7.1.300.0110.00015.57
7.1.290.0100.00316.00
7.1.280.0060.00915.76
7.1.270.0070.00715.67
7.1.260.0070.00715.59
7.1.200.0030.00715.54
7.1.100.0000.01618.20
7.1.70.0050.00217.20
7.1.60.0130.01319.82
7.1.50.0100.01616.78
7.1.00.0070.07322.44
7.0.200.0040.00716.54
7.0.140.0030.06721.95
7.0.60.0030.05320.08
7.0.50.0000.06017.80
7.0.40.0100.08320.04
7.0.30.0530.08020.17
7.0.20.0300.07720.16
7.0.10.0170.08020.09
7.0.00.0070.05720.08
5.6.280.0100.06721.09
5.6.210.0070.06320.61
5.6.200.0070.08318.22
5.6.190.0000.05720.57
5.6.180.3370.05020.39
5.6.170.0270.05020.54
5.6.160.0070.05320.71
5.6.150.0000.08718.18
5.6.140.0130.07318.08
5.6.130.0030.08318.18
5.6.120.0030.08720.99
5.6.110.0000.06020.97
5.6.100.0070.04020.95
5.6.90.0100.03721.07
5.6.80.0070.05020.39
5.6.70.3170.03320.23
5.5.350.0300.07320.36
5.5.340.0100.06717.95
5.5.330.0130.04720.43
5.5.320.0300.05720.21
5.5.310.0270.07720.30
5.5.300.0030.04717.92
5.5.290.0000.04717.91
5.5.280.0070.04320.76
5.5.270.0030.06720.79
5.5.260.0130.07720.76
5.5.250.0170.05020.49
5.5.240.0230.05320.27
5.4.450.0800.05019.46
5.4.440.0200.05719.50
5.4.430.0100.07319.43
5.4.420.0130.05319.42
5.4.410.0100.05718.88
5.4.400.0030.06318.68
5.4.390.0100.05718.74
5.4.380.0030.06718.49
5.4.370.0100.06018.49
5.4.360.0270.04718.50
5.4.350.0200.05318.64
5.4.340.0200.05018.61
5.4.320.0040.03912.45
5.4.310.0060.04312.45
5.4.300.0040.03912.45
5.4.290.0060.04612.45
5.4.280.0050.03712.34
5.4.270.0070.05718.99
5.4.260.0200.04018.90
5.4.250.0200.04019.02
5.4.240.0130.04718.89
5.4.230.0070.05318.84
5.4.220.0100.08018.97
5.4.210.0100.05018.92
5.4.200.0100.05018.88
5.4.190.0130.04318.77
5.4.180.0100.06018.89
5.4.170.0070.05318.88
5.4.160.0130.07318.98
5.4.150.0070.05718.76
5.4.140.0170.06016.48
5.4.130.0100.04716.25
5.4.120.0000.05716.43
5.4.110.0100.04716.34
5.4.100.0070.05016.50
5.4.90.0070.05016.53
5.4.80.0000.05716.47
5.4.70.0100.04716.38
5.4.60.0070.05316.18
5.4.50.0070.05016.50
5.4.40.0100.04316.28
5.4.30.0130.04316.22
5.4.20.0200.05716.46
5.4.10.0200.04016.38
5.4.00.0100.04715.73
5.3.290.0090.04312.80
5.3.280.0000.05714.38
5.3.270.0100.07314.60
5.3.260.0100.05014.69
5.3.250.0170.04314.48
5.3.240.0070.07314.31
5.3.230.0130.04714.58
5.3.220.0030.05314.26
5.3.210.0100.06714.61
5.3.200.0230.06014.43
5.3.190.0070.05014.41
5.3.180.0170.04014.65
5.3.170.0100.07314.57
5.3.160.0030.05714.55
5.3.150.0030.05314.65
5.3.140.0100.07014.32
5.3.130.0100.05014.59
5.3.120.0030.05314.56
5.3.110.0100.04714.46
5.3.100.0100.04713.80
5.3.90.0070.06714.10
5.3.80.0100.06714.04
5.3.70.0100.05713.79
5.3.60.0130.04713.93
5.3.50.0030.06314.10
5.3.40.0030.07013.80
5.3.30.0200.03313.90
5.3.20.0130.05313.78
5.3.10.0000.05313.80
5.3.00.0130.06013.51
5.2.170.0070.04710.90
5.2.160.0070.05711.02
5.2.150.0000.04311.04
5.2.140.0000.06311.14
5.2.130.0030.04011.02
5.2.120.0070.04310.93
5.2.110.0030.04711.25
5.2.100.0170.03011.20
5.2.90.0100.03311.01
5.2.80.0000.04711.01
5.2.70.0100.04011.10
5.2.60.0100.04711.06
5.2.50.0100.03311.13
5.2.40.0070.04010.91
5.2.30.0200.04010.88
5.2.20.0100.05310.86
5.2.10.0070.04010.61
5.2.00.0000.04310.72
5.1.60.0100.0309.93
5.1.50.0030.0379.88
5.1.40.0130.0439.75
5.1.30.0070.04710.16
5.1.20.0070.05310.52
5.1.10.0170.0309.83
5.1.00.0100.03710.12
5.0.50.0070.0378.46
5.0.40.0000.0308.37
5.0.30.0100.0507.99
5.0.20.0030.0308.16
5.0.10.0070.0238.14
5.0.00.0070.0538.18
4.4.90.0100.0136.94
4.4.80.0000.0306.94
4.4.70.0000.0236.94
4.4.60.0030.0206.94
4.4.50.0100.0276.94
4.4.40.0000.0376.94
4.4.30.0030.0206.94
4.4.20.0070.0276.94
4.4.10.0030.0206.94
4.4.00.0030.0436.94
4.3.110.0000.0236.94
4.3.100.0070.0176.94
4.3.90.0030.0306.94
4.3.80.0000.0336.94
4.3.70.0000.0236.94
4.3.60.0030.0276.94
4.3.50.0030.0206.94
4.3.40.0070.0406.94
4.3.30.0000.0236.94
4.3.20.0000.0306.94
4.3.10.0000.0236.94
4.3.00.0170.0206.95

preferences:
42.75 ms | 401 KiB | 5 Q