3v4l.org

run code in 300+ PHP versions simultaneously
<?php $length = 4; $string = "ABCDEF"; $string = substr_replace($string,"",$length); $string = str_pad($string,$length," ",STR_PAD_RIGHT);

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)
8.3.40.0080.01218.72
8.3.30.0030.01020.06
8.3.20.0090.00021.96
8.3.10.0030.00520.91
8.3.00.0030.00622.57
8.2.170.0070.01122.96
8.2.160.0070.00722.29
8.2.150.0080.00024.18
8.2.140.0070.00024.66
8.2.130.0040.00426.16
8.2.120.0030.00520.66
8.2.110.0030.00619.02
8.2.100.0110.00017.59
8.2.90.0030.00519.07
8.2.80.0040.00417.97
8.2.70.0000.00817.63
8.2.60.0040.00417.80
8.2.50.0000.00818.07
8.2.40.0040.00418.11
8.2.30.0040.00419.31
8.2.20.0040.00417.57
8.2.10.0040.00417.59
8.2.00.0050.00317.67
8.1.270.0080.00023.99
8.1.260.0000.00726.35
8.1.250.0050.00228.09
8.1.240.0060.00620.61
8.1.230.0000.01221.04
8.1.220.0000.00818.77
8.1.210.0060.00619.08
8.1.200.0000.01017.10
8.1.190.0000.00717.40
8.1.180.0000.00818.10
8.1.170.0040.00418.72
8.1.160.0000.00718.80
8.1.150.0000.00718.54
8.1.140.0000.00717.33
8.1.130.0000.00717.79
8.1.120.0040.00417.36
8.1.110.0000.00717.25
8.1.100.0040.00417.39
8.1.90.0070.00017.29
8.1.80.0000.00717.39
8.1.70.0000.00817.29
8.1.60.0030.00617.55
8.1.50.0030.00617.45
8.1.40.0000.00817.34
8.1.30.0080.00017.59
8.1.20.0060.00317.55
8.1.10.0040.00417.39
8.1.00.0060.00317.38
8.0.300.0070.00019.81
8.0.290.0040.00417.05
8.0.280.0040.00418.39
8.0.270.0040.00417.09
8.0.260.0070.00016.79
8.0.250.0050.00216.79
8.0.240.0000.00816.82
8.0.230.0030.00316.93
8.0.220.0000.00716.70
8.0.210.0040.00416.68
8.0.200.0040.00416.91
8.0.190.0000.00816.81
8.0.180.0040.00416.70
8.0.170.0080.00016.80
8.0.160.0070.00016.61
8.0.150.0040.00416.75
8.0.140.0040.00316.78
8.0.130.0030.00313.20
8.0.120.0000.00716.73
8.0.110.0040.00416.72
8.0.100.0040.00416.75
8.0.90.0070.00016.63
8.0.80.0100.00716.85
8.0.70.0030.00516.86
8.0.60.0040.00416.81
8.0.50.0040.00416.88
8.0.30.0080.01117.03
8.0.20.0140.00417.40
8.0.10.0040.00416.80
8.0.00.0090.00916.69
7.4.330.0000.00516.78
7.4.320.0050.00516.28
7.4.300.0040.00416.42
7.4.290.0070.00016.40
7.4.280.0000.00716.30
7.4.270.0060.00016.55
7.4.260.0000.00513.20
7.4.250.0040.00416.45
7.4.240.0020.00616.52
7.4.230.0030.00316.40
7.4.220.0110.01616.37
7.4.210.0070.00916.54
7.4.200.0000.00816.54
7.4.190.0030.00316.48
7.4.160.0130.00716.40
7.4.150.0070.01017.40
7.4.140.0100.01217.86
7.4.130.0070.01016.36
7.4.120.0080.01016.49
7.4.110.0080.01216.39
7.4.100.0090.00816.30
7.4.90.0100.00716.25
7.4.80.0110.00619.39
7.4.70.0090.00616.44
7.4.60.0130.01616.26
7.4.50.0000.00816.49
7.4.40.0060.00322.77
7.4.30.0140.00516.29
7.4.00.0110.00415.07
7.3.330.0050.00012.88
7.3.320.0050.00012.98
7.3.310.0050.00316.13
7.3.300.0000.00616.16
7.3.290.0130.00316.13
7.3.280.0110.00816.15
7.3.270.0070.01017.40
7.3.260.0140.00418.24
7.3.250.0080.00816.12
7.3.240.0160.00016.43
7.3.230.0070.01016.50
7.3.210.0030.01416.13
7.3.200.0160.00719.39
7.3.190.0080.00816.08
7.3.180.0060.01016.36
7.3.170.0060.00916.27
7.3.160.0080.00816.41
7.3.120.0030.01214.63
7.2.330.0100.00716.53
7.2.320.0100.00716.57
7.2.310.0090.01216.51
7.2.300.0060.01116.38
7.2.290.0030.01316.44
7.2.80.0160.00316.31
7.2.60.0090.00316.73
7.2.00.0070.00719.15
7.1.200.0000.01315.67
7.1.100.0080.00617.79
7.1.70.0050.00216.79
7.1.60.0160.01019.17
7.1.50.0060.01616.89
7.1.00.0070.07022.31
7.0.200.0070.00716.68
7.0.140.0070.07022.09
7.0.70.0100.07721.69
7.0.60.0070.08321.77
7.0.50.0030.05322.04
7.0.40.0070.05020.14
7.0.30.0070.08720.04
7.0.20.0030.07720.02
7.0.10.0070.08720.08
7.0.00.0100.08020.18
5.6.280.0030.07321.14
5.6.220.0030.08320.61
5.6.210.0030.07720.57
5.6.200.0130.08021.02
5.6.190.0070.06020.98
5.6.180.0030.08021.05
5.6.170.0070.08020.93
5.6.160.0070.08021.03
5.6.150.0070.08721.00
5.6.140.0100.08021.12
5.6.130.0000.09321.01
5.6.120.0030.08721.04
5.6.110.0000.06321.10
5.6.100.0070.07721.06
5.6.90.0100.06720.98
5.6.80.0000.08020.48
5.6.70.0030.08320.40
5.6.60.0070.05020.41
5.6.50.0000.08320.32
5.6.40.0100.07320.37
5.6.30.0100.08020.39
5.6.20.0070.07720.43
5.6.10.0100.07320.46
5.6.00.0130.06320.29
5.5.360.0030.08720.33
5.5.350.0030.06020.43
5.5.340.0030.07320.80
5.5.330.0030.04720.91
5.5.320.0030.08720.82
5.5.310.0130.07320.91
5.5.300.0030.08720.62
5.5.290.0070.06020.85
5.5.280.0100.07020.75
5.5.270.0070.06720.91
5.5.260.0070.08020.84
5.5.250.0030.05720.72
5.5.240.0100.06320.17
5.5.230.0030.08320.01
5.5.220.0070.06020.10
5.5.210.0030.04720.24
5.5.200.0030.08020.14
5.5.190.0070.07720.14
5.5.180.0070.07020.23
5.5.160.0030.08020.17
5.5.150.0100.05320.17
5.5.140.0030.05020.16
5.5.130.0000.08020.24
5.5.120.0070.05320.20
5.5.110.0030.05320.07
5.5.100.0000.08019.97
5.5.90.0070.05720.15
5.5.80.0030.04720.04
5.5.70.0100.07720.05
5.5.60.0030.07719.93
5.5.50.0030.05319.96
5.5.40.0030.07720.08
5.5.30.0100.07320.03
5.5.20.0100.07019.92
5.5.10.0000.05719.93
5.5.00.0070.08020.05
5.4.450.0000.05719.38
5.4.440.0030.08319.35
5.4.430.0070.07719.35
5.4.420.0100.07019.35
5.4.410.0000.06719.09
5.4.400.0070.07319.13
5.4.390.0070.06019.07
5.4.380.0000.07319.23
5.4.370.0000.07019.03
5.4.360.0100.07319.10
5.4.350.0030.08019.15
5.4.340.0070.07319.15
5.4.320.0030.08019.05
5.4.310.0000.06319.06
5.4.300.0030.05019.11
5.4.290.0030.04319.04
5.4.280.0030.06018.94
5.4.270.0070.05718.77
5.4.260.0030.06018.78
5.4.250.0000.06718.77
5.4.240.0000.08719.10
5.4.230.0130.05018.77
5.4.220.0070.06319.09
5.4.210.0000.05719.09
5.4.200.0030.06318.77
5.4.190.0070.05018.79
5.4.180.0000.04718.89
5.4.170.0100.07019.06
5.4.160.0070.07318.76
5.4.150.0130.07019.01
5.4.140.0100.06716.35
5.4.130.0000.04716.28
5.4.120.0070.07016.05
5.4.110.0070.07316.38
5.4.100.0030.07016.43
5.4.90.0030.07316.27
5.4.80.0070.07316.25
5.4.70.0070.07016.32
5.4.60.0000.07316.47
5.4.50.0030.07716.30
5.4.40.0000.07016.29
5.4.30.0070.07316.23
5.4.20.0170.06716.30
5.4.10.0030.06016.18
5.4.00.0070.05015.73
5.3.290.0000.04714.62
5.3.280.0030.08014.55
5.3.270.0030.06314.58
5.3.260.0070.07314.43
5.3.250.0030.07314.59
5.3.240.0030.07714.46
5.3.230.0070.06314.53
5.3.220.0000.08014.55
5.3.210.0030.06314.47
5.3.200.0070.05014.57
5.3.190.0000.08014.55
5.3.180.0030.07714.55
5.3.170.0100.07014.55
5.3.160.0070.06314.39
5.3.150.0000.07014.55
5.3.140.0030.08014.38
5.3.130.0100.06314.54
5.3.120.0100.06714.50
5.3.110.0070.07014.45
5.3.100.0030.07313.89
5.3.90.0030.07013.97
5.3.80.0070.06714.00
5.3.70.0030.05713.97
5.3.60.0000.07313.86
5.3.50.0000.07313.79
5.3.40.0100.05313.93
5.3.30.0000.06313.90
5.3.20.0000.08013.57
5.3.10.0030.05713.61
5.3.00.0070.07013.43
5.2.170.0000.06313.05
5.2.160.0030.05013.05
5.2.150.0000.06713.05
5.2.140.0070.06013.05
5.2.130.0030.04713.05
5.2.120.0030.06313.05
5.2.110.0000.06713.05
5.2.100.0070.06013.05
5.2.90.0100.05713.05
5.2.80.0000.06313.05
5.2.70.0000.05313.05
5.2.60.0130.05313.05
5.2.50.0030.06313.05
5.2.40.0000.06313.05
5.2.30.0000.05013.05
5.2.20.0030.05713.05
5.2.10.0000.05713.05
5.2.00.0070.05313.05
5.1.60.0130.04713.05
5.1.50.0000.04313.05
5.1.40.0000.05713.05
5.1.30.0000.05013.05
5.1.20.0100.05013.05
5.1.10.0130.05313.05
5.1.00.0030.05013.05
5.0.50.0000.05013.05
5.0.40.0000.04313.05
5.0.30.0030.06313.05
5.0.20.0030.03313.05
5.0.10.0000.04713.05
5.0.00.0000.07013.05
4.4.90.0000.03313.05
4.4.80.0000.02713.05
4.4.70.0000.03713.05
4.4.60.0000.03013.05
4.4.50.0030.02313.05
4.4.40.0070.05313.05
4.4.30.0000.02713.05
4.4.20.0000.03713.05
4.4.10.0030.02313.05
4.4.00.0000.05313.05
4.3.110.0030.02713.05
4.3.100.0030.03013.05
4.3.90.0000.03013.05
4.3.80.0000.05713.05
4.3.70.0030.03013.05
4.3.60.0030.02013.05
4.3.50.0000.03713.05
4.3.40.0030.05013.05
4.3.30.0070.03013.05
4.3.20.0030.03713.05
4.3.10.0000.03713.05
4.3.00.0000.03713.05

preferences:
45.17 ms | 400 KiB | 5 Q