3v4l.org

run code in 300+ PHP versions simultaneously
<?php $prefix = (string) 1234; $id = (string) 3; $number = $prefix . str_repeat('0', 12 - strlen($prefix) - strlen($id)) . $id; return $number;

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)
8.3.60.0070.00716.50
8.3.50.0100.00822.00
8.3.40.0080.00818.56
8.3.30.0110.00418.95
8.3.20.0040.00420.07
8.3.10.0050.00323.50
8.3.00.0040.00420.55
8.2.180.0110.00716.75
8.2.170.0110.00422.96
8.2.160.0120.00322.09
8.2.150.0040.00424.18
8.2.140.0000.00924.66
8.2.130.0000.00726.16
8.2.120.0050.00222.31
8.2.110.0080.00022.22
8.2.100.0040.00817.78
8.2.90.0000.00719.23
8.2.80.0040.00417.97
8.2.70.0040.00417.63
8.2.60.0040.00417.93
8.2.50.0050.00318.07
8.2.40.0030.00717.75
8.2.30.0040.00418.04
8.2.20.0040.00417.61
8.2.10.0000.00819.52
8.2.00.0030.00517.72
8.1.280.0100.01025.92
8.1.270.0000.00722.02
8.1.260.0040.00426.35
8.1.250.0030.00528.09
8.1.240.0030.00724.03
8.1.230.0070.00419.07
8.1.220.0040.00417.74
8.1.210.0000.00718.77
8.1.200.0060.00317.23
8.1.190.0030.00617.28
8.1.180.0080.00018.10
8.1.170.0040.00418.71
8.1.160.0070.00321.99
8.1.150.0030.00518.49
8.1.140.0030.00517.50
8.1.130.0040.00417.68
8.1.120.0070.00017.34
8.1.110.0030.00617.46
8.1.100.0000.00717.41
8.1.90.0000.00717.41
8.1.80.0050.00317.47
8.1.70.0000.00717.33
8.1.60.0030.00817.45
8.1.50.0040.00417.50
8.1.40.0050.00317.54
8.1.30.0040.00417.42
8.1.20.0040.00417.56
8.1.10.0000.00717.47
8.1.00.0050.00217.32
8.0.300.0080.00018.77
8.0.290.0040.00417.18
8.0.280.0000.00718.34
8.0.270.0030.00317.20
8.0.260.0000.00716.91
8.0.250.0000.00716.97
8.0.240.0030.00316.84
8.0.230.0070.00016.91
8.0.220.0080.00016.89
8.0.210.0000.00716.81
8.0.200.0030.00317.01
8.0.190.0000.00717.03
8.0.180.0030.00316.98
8.0.170.0000.00816.99
8.0.160.0070.00017.02
8.0.150.0080.00016.84
8.0.140.0030.00416.80
8.0.130.0050.00013.33
8.0.120.0000.00716.81
8.0.110.0050.00216.84
8.0.100.0040.00416.78
8.0.90.0060.00316.81
8.0.80.0140.00716.86
8.0.70.0040.00417.00
8.0.60.0040.00416.81
8.0.50.0000.00716.81
8.0.30.0110.01017.13
8.0.20.0050.01217.40
8.0.10.0040.00416.84
8.0.00.0080.01016.73
7.4.330.0060.00015.09
7.4.320.0060.00016.62
7.4.300.0000.00816.46
7.4.290.0030.00316.47
7.4.280.0000.00716.59
7.4.270.0040.00416.58
7.4.260.0000.00716.54
7.4.250.0040.00316.57
7.4.240.0000.00716.49
7.4.230.0070.00016.54
7.4.220.0000.01716.63
7.4.210.0060.01016.50
7.4.200.0040.00416.41
7.4.190.0000.00716.52
7.4.160.0060.01016.49
7.4.150.0120.00917.40
7.4.140.0060.01117.86
7.4.130.0130.00616.44
7.4.120.0070.01016.33
7.4.110.0060.01016.65
7.4.100.0140.01216.52
7.4.90.0070.01716.45
7.4.80.0070.01116.40
7.4.70.0040.01316.40
7.4.60.0100.00616.45
7.4.50.0000.00416.30
7.4.40.0000.01522.77
7.4.30.0030.01316.39
7.4.00.0060.00915.10
7.3.330.0030.00313.13
7.3.320.0000.00513.17
7.3.310.0000.00716.45
7.3.300.0000.00616.24
7.3.290.0110.00316.32
7.3.280.0070.01116.37
7.3.270.0030.01317.40
7.3.260.0200.00616.56
7.3.250.0060.01316.40
7.3.240.0100.01016.38
7.3.230.0090.00616.40
7.3.210.0100.00716.59
7.3.200.0130.00719.39
7.3.190.0140.00816.41
7.3.180.0080.00816.31
7.3.170.0070.01016.30
7.3.160.0030.01316.53
7.3.120.0130.00314.86
7.2.330.0060.01216.59
7.2.320.0080.00916.56
7.2.310.0070.01016.51
7.2.300.0190.00316.30
7.2.290.0120.00416.70
7.1.200.0000.00815.36
7.1.70.0020.00517.22
7.1.60.0070.01819.29
7.1.50.0100.01416.91
7.1.00.0070.07322.54
7.0.200.0070.01116.62
7.0.140.0030.07322.04
7.0.60.0070.07320.02
7.0.50.0100.04317.84
7.0.40.0130.08319.98
7.0.30.0170.05020.17
7.0.20.0300.09020.20
7.0.10.0000.08720.29
7.0.00.0030.04020.16
5.6.210.0100.08020.55
5.6.200.0100.06018.16
5.6.190.0100.06320.77
5.6.180.0330.06020.41
5.6.170.0270.07020.44
5.6.160.0000.04720.52
5.6.150.0030.04018.13
5.6.140.0100.07718.17
5.6.130.0070.04318.18
5.6.120.0070.08321.00
5.6.110.0100.08321.00
5.6.100.0100.07721.04
5.6.90.0100.08320.97
5.6.80.0100.06320.39
5.5.350.0030.06720.43
5.5.340.0100.06717.95
5.5.330.0030.06320.20
5.5.320.0030.04320.26
5.5.310.0230.06020.29
5.5.300.0030.08017.89
5.5.290.0070.08018.01
5.5.280.0130.07720.86
5.5.270.0030.06020.72
5.5.260.0100.06020.70
5.5.250.0070.06720.70
5.5.240.0200.05720.18
5.4.450.1830.03719.13
5.4.440.1870.04019.23
5.4.430.1730.04319.57
5.4.420.1700.04719.40
5.4.410.0770.04019.29
5.4.400.0100.03719.22
5.4.390.0000.04018.77
5.4.380.1670.03718.93
5.4.370.2200.04319.09
5.4.360.1870.03318.77
5.4.350.1700.03019.07
5.4.340.2500.03019.14
5.4.320.1770.04019.16
5.4.310.1930.03319.13
5.4.300.1900.03318.88
5.4.290.1800.04019.11
5.4.280.2000.03719.08
5.4.270.1630.04719.15
5.4.260.0000.04019.15
5.4.250.0000.04018.88
5.4.240.0770.03719.21
5.4.230.1800.03718.90
5.4.220.1770.04018.76
5.4.210.1930.03019.24
5.4.200.2030.04719.08
5.4.190.1930.04018.90
5.4.180.2030.04719.16
5.4.170.1770.03718.79
5.4.160.1800.03319.06
5.4.150.2030.04318.75
5.4.140.1800.03716.37
5.4.130.0800.05716.54
5.4.120.0030.04316.44
5.4.110.0130.04016.06
5.4.100.1800.03716.42
5.4.90.1800.03716.30
5.4.80.2030.03716.38
5.4.70.1700.04016.44
5.4.60.0070.06716.38
5.4.50.0100.04316.35
5.4.40.1300.04716.17
5.4.30.1700.04316.38
5.4.20.1800.03316.48
5.4.10.1800.03716.19
5.4.00.1970.04315.78
5.3.290.2200.04014.57
5.3.280.0330.06714.54
5.3.270.0000.06014.46
5.3.260.0170.04714.62
5.3.250.1700.03714.55
5.3.240.1770.03714.55
5.3.230.1770.03314.47
5.3.220.1700.04014.51
5.3.210.1730.03714.40
5.3.200.1800.05714.41
5.3.190.1930.04714.52
5.3.180.2070.03314.39
5.3.170.1830.03714.51
5.3.160.1770.03314.50
5.3.150.0730.03014.40
5.3.140.0000.08014.50
5.3.130.0400.07314.48
5.3.120.1730.03314.49
5.3.110.1670.04314.59
5.3.100.2030.04013.96
5.3.90.1970.04014.11
5.3.80.1900.04313.86
5.3.70.2030.03713.95
5.3.60.2030.03313.91
5.3.50.2200.05713.78
5.3.40.1930.03713.96
5.3.30.1700.06313.91
5.3.20.1430.04013.71
5.3.10.0070.06713.61
5.3.00.0070.04713.65
5.2.170.1330.03710.94
5.2.160.1470.03011.00
5.2.150.1700.03710.98
5.2.140.1530.03010.99
5.2.130.1500.03711.12
5.2.120.1770.04010.95
5.2.110.1500.03010.94
5.2.100.1530.02711.28
5.2.90.1500.03010.94
5.2.80.1430.02311.04
5.2.70.1500.02711.00
5.2.60.1370.03010.98
5.2.50.1430.02310.87
5.2.40.0000.03010.85
5.2.30.0000.03010.91
5.2.20.0030.02710.84
5.2.10.0200.02311.07
5.2.00.1200.02710.68
5.1.60.1100.0339.89
5.1.50.1200.0239.89
5.1.40.1470.02710.02
5.1.30.1370.03010.55
5.1.20.1400.03310.45
5.1.10.1170.03010.19
5.1.00.1330.03310.04
5.0.50.0570.0238.62
5.0.40.0600.0208.30
5.0.30.0600.0308.37
5.0.20.0700.0238.12
5.0.10.0600.0238.17
5.0.00.0630.0278.16
4.4.90.0700.0077.70
4.4.80.0700.0207.70
4.4.70.0630.0137.70
4.4.60.0630.0107.70
4.4.50.0430.0107.70
4.4.40.0000.0337.70
4.4.30.0000.0207.70
4.4.20.0070.0137.70
4.4.10.0000.0177.70
4.4.00.0030.0437.70
4.3.110.0000.0237.70
4.3.100.0000.0307.70
4.3.90.0270.0107.70
4.3.80.0730.0337.70
4.3.70.0630.0137.70
4.3.60.0570.0177.70
4.3.50.0000.0177.70
4.3.40.0030.0407.70
4.3.30.0000.0177.70
4.3.20.0030.0137.70
4.3.10.0000.0177.70
4.3.00.0000.0177.70

preferences:
36.48 ms | 401 KiB | 5 Q