3v4l.org

run code in 300+ PHP versions simultaneously
<?php $num = "252"; $data = str_pad(252, 8, "0", STR_PAD_LEFT); $data = 00010700 + str_pad($num,8,"0",STR_PAD_LEFT); echo $data;

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)
8.3.40.0120.00318.60
8.3.30.0030.01118.92
8.3.20.0040.00420.24
8.3.10.0040.00422.08
8.3.00.0080.00022.43
8.2.170.0100.00722.96
8.2.160.0070.00719.04
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0070.00026.16
8.2.120.0050.00317.75
8.2.110.0030.00722.17
8.2.100.0080.00319.63
8.2.90.0030.00519.17
8.2.80.0040.00417.97
8.2.70.0040.00417.63
8.2.60.0060.00317.93
8.2.50.0000.00818.07
8.2.40.0000.00717.99
8.2.30.0050.00518.04
8.2.20.0000.00717.71
8.2.10.0040.00419.66
8.2.00.0080.00017.70
8.1.270.0000.00822.02
8.1.260.0000.00826.35
8.1.250.0000.00728.09
8.1.240.0090.00023.85
8.1.230.0110.00019.10
8.1.220.0000.00817.79
8.1.210.0040.00418.77
8.1.200.0090.00017.22
8.1.190.0050.00317.25
8.1.180.0000.00818.10
8.1.170.0000.00818.53
8.1.160.0070.00021.93
8.1.150.0040.00418.57
8.1.140.0050.00517.30
8.1.130.0080.00017.77
8.1.120.0000.00717.30
8.1.110.0070.00017.41
8.1.100.0000.00717.40
8.1.90.0040.00417.32
8.1.80.0080.00017.30
8.1.70.0050.00217.30
8.1.60.0090.00017.57
8.1.50.0080.00017.49
8.1.40.0040.00417.33
8.1.30.0000.00817.60
8.1.20.0040.00417.64
8.1.10.0060.00317.54
8.1.00.0000.00817.44
8.0.300.0040.00418.77
8.0.290.0040.00417.04
8.0.280.0030.00318.45
8.0.270.0040.00417.25
8.0.260.0030.00316.86
8.0.250.0000.00817.01
8.0.240.0000.00716.90
8.0.230.0030.00616.82
8.0.220.0000.00716.75
8.0.210.0030.00616.78
8.0.200.0030.00316.82
8.0.190.0000.00716.97
8.0.180.0070.00016.96
8.0.170.0030.00516.93
8.0.160.0000.00716.71
8.0.150.0040.00416.89
8.0.140.0070.00016.86
8.0.130.0030.00313.40
8.0.120.0040.00416.81
8.0.110.0000.00716.88
8.0.100.0050.00316.91
8.0.90.0040.00416.91
8.0.80.0080.00716.88
8.0.70.0000.00716.83
8.0.60.0040.00416.91
8.0.50.0040.00416.69
8.0.30.0080.01117.06
8.0.20.0120.00917.40
8.0.10.0030.00316.97
8.0.00.0110.01116.78
7.4.330.0000.00515.00
7.4.320.0000.00716.33
7.4.300.0030.00316.48
7.4.290.0040.00416.44
7.4.280.0070.00016.53
7.4.270.0060.00516.45
7.4.260.0000.00716.40
7.4.250.0040.00416.39
7.4.240.0050.00216.51
7.4.230.0070.00016.55
7.4.220.0070.01016.44
7.4.210.0100.00616.50
7.4.200.0070.00016.32
7.4.190.0040.00416.55
7.4.160.0100.00716.34
7.4.150.0100.00717.40
7.4.140.0100.01017.86
7.4.130.0090.00916.51
7.4.120.0080.01316.43
7.4.110.0040.01416.52
7.4.100.0080.00916.48
7.4.90.0060.01316.55
7.4.80.0160.00319.39
7.4.70.0100.00716.34
7.4.60.0130.00316.42
7.4.50.0060.00316.37
7.4.40.0060.01022.77
7.4.30.0060.01216.33
7.4.00.0070.01014.77
7.3.330.0060.00013.07
7.3.320.0000.00613.20
7.3.310.0000.00716.40
7.3.300.0030.00316.29
7.3.290.0070.00716.23
7.3.280.0070.00916.18
7.3.270.0100.00717.40
7.3.260.0070.01016.56
7.3.250.0080.00816.43
7.3.240.0100.00716.20
7.3.230.0030.01316.39
7.3.210.0070.01016.57
7.3.200.0030.01419.39
7.3.190.0100.00616.21
7.3.180.0160.00016.20
7.3.170.0060.00916.41
7.3.160.0070.01116.53
7.3.120.0040.01114.82
7.2.330.0000.01916.42
7.2.320.0090.00916.64
7.2.310.0040.01416.28
7.2.300.0090.00616.34
7.2.290.0060.01616.52
7.2.00.0000.01319.47
7.1.100.0000.01017.86
7.1.70.0040.00416.96
7.1.60.0160.00319.82
7.1.50.0100.01316.98
7.1.00.0030.07722.36
7.0.200.0070.00416.52
7.0.140.0100.06721.95
7.0.110.0030.08019.90
7.0.100.0100.05719.99
7.0.90.0030.08719.95
7.0.80.0130.07319.92
7.0.70.0030.08719.88
7.0.60.0170.06720.00
7.0.50.0030.08320.26
7.0.40.0070.08020.26
7.0.30.0030.09020.28
7.0.20.0100.08320.16
7.0.10.0070.07720.10
7.0.00.0170.08020.21
5.6.280.0070.07021.12
5.6.260.0100.05020.73
5.6.250.0030.08720.68
5.6.240.0000.09020.57
5.6.230.0070.09020.67
5.6.220.0130.07720.53
5.6.210.0100.05020.59
5.6.200.0030.09021.21
5.6.190.0100.05721.26
5.6.180.0100.08021.10
5.6.170.0130.07721.25
5.6.160.0130.06721.21
5.6.150.0000.05321.21
5.6.140.0200.06721.26
5.6.130.0070.08720.98
5.6.120.0130.08021.21
5.6.110.0130.07320.91
5.6.100.0070.07720.96
5.6.90.0100.08020.89
5.6.80.0070.08720.46
5.6.70.0270.06020.46
5.6.60.0130.07320.50
5.6.50.0030.08020.52
5.6.40.0100.07320.54
5.6.30.0030.08020.54
5.6.20.0230.06320.53
5.6.10.0100.06720.54
5.6.00.0130.07320.50
5.5.380.0130.07720.51
5.5.370.0130.06720.46
5.5.360.0030.08720.52
5.5.350.0030.08320.51
5.5.340.0070.07321.01
5.5.330.0100.07020.74
5.5.320.0100.05020.70
5.5.310.0100.07720.77
5.5.300.0100.07020.77
5.5.290.0170.05720.69
5.5.280.0000.09320.86
5.5.270.0030.08720.80
5.5.260.0100.05021.02
5.5.250.0230.07020.77
5.5.240.0130.06720.19
5.5.230.0070.08020.27
5.5.220.0030.07720.10
5.5.210.0100.07320.25
5.5.200.0230.06720.05
5.5.190.0030.08320.36
5.5.180.0130.07020.33
5.5.160.0170.07020.33
5.5.150.0030.08720.12
5.5.140.0070.06720.21
5.5.130.0000.07720.18
5.5.120.0070.08020.08
5.5.110.0100.04320.23
5.5.100.0030.07320.07
5.5.90.0170.06720.24
5.5.80.0100.07020.24
5.5.70.0030.05320.19
5.5.60.0030.05020.17
5.5.50.0100.07020.07
5.5.40.0100.06020.23
5.5.30.0070.04720.24
5.5.20.0070.07020.22
5.5.10.0030.08320.14
5.5.00.0200.06020.02
5.4.450.0030.07719.57
5.4.440.0030.05019.27
5.4.430.0070.08319.33
5.4.420.0030.08019.34
5.4.410.0100.07319.22
5.4.400.0070.08019.10
5.4.390.0100.07319.01
5.4.380.0170.06319.17
5.4.370.0130.07318.95
5.4.360.0100.07319.03
5.4.350.0030.04019.04
5.4.340.0100.05319.12
5.4.320.0170.06719.03
5.4.310.0130.06319.07
5.4.300.0130.07018.94
5.4.290.0070.08019.16
5.4.280.0170.03319.09
5.4.270.0030.07719.00
5.4.260.0100.04018.96
5.4.250.0170.06719.02
5.4.240.0070.08319.24
5.4.230.0070.04719.11
5.4.220.0030.06719.27
5.4.210.0000.08319.28
5.4.200.0070.03719.02
5.4.190.0030.08319.23
5.4.180.0030.07719.15
5.4.170.0130.04319.08
5.4.160.0030.06718.99
5.4.150.0030.04319.25
5.4.140.0100.05016.47
5.4.130.0130.06016.26
5.4.120.0030.04016.22
5.4.110.0070.03316.28
5.4.100.0000.03716.27
5.4.90.0070.03316.28
5.4.80.0030.03316.36
5.4.70.0000.03716.17
5.4.60.0030.04016.38
5.4.50.0070.04716.39
5.4.40.0000.05716.55
5.4.30.0000.04716.34
5.4.20.0030.04016.27
5.4.10.0000.04016.25
5.4.00.0000.04715.70
5.3.290.0130.07314.56
5.3.280.0170.06014.52
5.3.270.0070.06014.50
5.3.260.0100.09314.62
5.3.250.0070.03714.39
5.3.240.0070.05714.54
5.3.230.0070.03314.47
5.3.220.0030.04014.44
5.3.210.0070.03714.60
5.3.200.0030.03714.48
5.3.190.0070.03714.41
5.3.180.0130.02314.55
5.3.170.0070.03314.49
5.3.160.0070.03314.48
5.3.150.0030.03714.35
5.3.140.0100.03314.48
5.3.130.0030.03714.60
5.3.120.0070.03314.48
5.3.110.0030.03714.37
5.3.100.0030.04713.86
5.3.90.0070.03313.87
5.3.80.0030.03713.86
5.3.70.0030.03313.89
5.3.60.0000.04014.00
5.3.50.0030.03313.81
5.3.40.0030.03713.77
5.3.30.0000.04013.92
5.3.20.0000.03713.72
5.3.10.0000.03713.50
5.3.00.0070.03013.70
5.2.170.0000.03011.82
5.2.160.0030.04711.82
5.2.150.0070.03711.82
5.2.140.0030.02711.82
5.2.130.0000.03011.82
5.2.120.0030.06011.82
5.2.110.0000.05311.82
5.2.100.0030.03011.82
5.2.90.0070.02311.82
5.2.80.0000.03311.82
5.2.70.0030.02711.82
5.2.60.0000.03011.82
5.2.50.0070.02311.82
5.2.40.0000.03311.82
5.2.30.0070.02711.82
5.2.20.0030.02711.82
5.2.10.0030.02711.82
5.2.00.0000.03011.82
5.1.60.0000.02711.82
5.1.50.0030.02311.82
5.1.40.0030.02311.82
5.1.30.0000.03011.82
5.1.20.0000.02711.82
5.1.10.0000.03011.82
5.1.00.0000.02711.82
5.0.50.0030.02011.82
5.0.40.0000.02011.82
5.0.30.0000.03011.82
5.0.20.0070.01311.82
5.0.10.0030.02011.82
5.0.00.0030.03011.82
4.4.90.0030.03311.82
4.4.80.0000.02011.82
4.4.70.0000.01711.82
4.4.60.0000.01711.82
4.4.50.0030.01311.82
4.4.40.0000.02311.82
4.4.30.0070.01011.82
4.4.20.0030.01311.82
4.4.10.0000.01711.82
4.4.00.0030.02011.82
4.3.110.0000.01711.82
4.3.100.0000.01311.82
4.3.90.0000.01311.82
4.3.80.0000.03011.82
4.3.70.0000.01711.82
4.3.60.0070.03011.82
4.3.50.0030.01311.82
4.3.40.0030.04011.82
4.3.30.0000.02711.82
4.3.20.0000.02011.82
4.3.10.0000.02011.82
4.3.00.0000.01711.82

preferences:
89.62 ms | 400 KiB | 5 Q