3v4l.org

run code in 300+ PHP versions simultaneously
<?php function generate_some_id($id, $append) { for ($i = strlen($id); $i < 8; $i++) { $id = '0' . $id; } return strtoupper(strtolower(substr($append, 0, 2))) . $id; } echo generate_some_id(12547, 'Lorem ipsum');

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)
8.3.60.0090.00618.18
8.3.50.0050.01021.91
8.3.40.0070.00718.45
8.3.30.0030.01018.95
8.3.20.0000.00820.33
8.3.10.0040.00422.08
8.3.00.0040.00420.70
8.2.180.0080.00816.75
8.2.170.0040.01122.96
8.2.160.0070.01119.24
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0070.00726.16
8.2.120.0040.00419.36
8.2.110.0030.00620.41
8.2.100.0070.00418.09
8.2.90.0030.00619.23
8.2.80.0040.00417.97
8.2.70.0050.00317.49
8.2.60.0000.00817.91
8.2.50.0060.00318.07
8.2.40.0050.00319.95
8.2.30.0080.00019.72
8.2.20.0040.00417.55
8.2.10.0070.00017.68
8.2.00.0040.00417.59
8.1.280.0140.00025.92
8.1.270.0030.00522.05
8.1.260.0000.00826.35
8.1.250.0050.00328.09
8.1.240.0000.01022.09
8.1.230.0040.00818.94
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0090.00017.35
8.1.190.0050.00317.66
8.1.180.0050.00218.75
8.1.170.0030.00518.48
8.1.160.0030.00322.19
8.1.150.0070.00018.57
8.1.140.0070.00317.50
8.1.130.0070.00017.72
8.1.120.0000.00717.32
8.1.110.0040.00417.34
8.1.100.0070.00017.47
8.1.90.0040.00417.46
8.1.80.0040.00417.33
8.1.70.0000.00717.39
8.1.60.0030.00517.61
8.1.50.0050.00317.55
8.1.40.0070.00017.41
8.1.30.0040.00417.52
8.1.20.0080.00017.60
8.1.10.0080.00017.59
8.1.00.0000.00817.33
8.0.300.0050.00318.77
8.0.290.0000.00717.00
8.0.280.0050.00218.38
8.0.270.0070.00017.30
8.0.260.0000.00616.82
8.0.250.0040.00416.98
8.0.240.0040.00416.94
8.0.230.0000.00716.86
8.0.220.0030.00316.87
8.0.210.0000.00716.85
8.0.200.0040.00416.97
8.0.190.0050.00316.86
8.0.180.0040.00416.80
8.0.170.0040.00416.96
8.0.160.0020.00516.78
8.0.150.0030.00316.83
8.0.140.0000.00716.88
8.0.130.0030.00313.34
8.0.120.0040.00416.91
8.0.110.0040.00416.87
8.0.100.0080.00016.78
8.0.90.0030.00516.72
8.0.80.0110.00316.82
8.0.70.0000.00716.82
8.0.60.0000.00716.79
8.0.50.0040.00416.88
8.0.30.0120.01017.00
8.0.20.0130.00817.40
8.0.10.0050.00217.01
8.0.00.0110.00916.77
7.4.330.0030.00315.00
7.4.320.0030.00316.50
7.4.300.0060.00316.55
7.4.290.0000.00716.55
7.4.280.0030.00316.48
7.4.270.0000.00716.57
7.4.260.0030.00316.40
7.4.250.0070.00016.45
7.4.240.0030.00416.55
7.4.230.0000.00716.67
7.4.220.0070.01116.60
7.4.210.0040.01416.46
7.4.200.0030.00316.30
7.4.190.0000.00716.56
7.4.160.0100.00616.57
7.4.150.0130.00417.40
7.4.140.0080.01317.86
7.4.130.0050.01316.60
7.4.120.0040.01416.50
7.4.110.0150.00716.53
7.4.100.0140.00316.52
7.4.90.0170.00716.51
7.4.80.0120.00619.39
7.4.70.0130.00316.55
7.4.60.0100.01016.46
7.4.50.0040.00416.63
7.4.40.0000.01522.77
7.4.30.0070.01016.42
7.4.00.0140.00414.65
7.3.330.0030.00313.23
7.3.320.0040.00313.31
7.3.310.0030.00316.34
7.3.300.0000.00616.37
7.3.290.0080.00816.38
7.3.280.0110.00916.36
7.3.270.0000.01617.40
7.3.260.0080.01516.41
7.3.250.0130.00516.51
7.3.240.0110.00616.29
7.3.230.0110.01116.39
7.3.210.0060.01216.54
7.3.200.0090.00919.39
7.3.190.0090.01216.57
7.3.180.0060.00916.30
7.3.170.0070.01016.48
7.3.160.0090.01216.27
7.3.120.0120.00415.00
7.3.10.0160.00816.50
7.3.00.0160.00516.58
7.2.330.0130.00816.64
7.2.320.0120.00616.44
7.2.310.0090.00616.83
7.2.300.0190.00316.80
7.2.290.0060.01216.41
7.2.130.0100.01016.76
7.2.120.0050.01016.74
7.2.110.0170.01016.83
7.2.100.0130.00716.75
7.2.90.0120.00516.79
7.2.80.0200.00616.86
7.2.70.0040.01116.76
7.2.60.0150.00816.76
7.2.50.0290.00716.88
7.2.40.0160.00416.79
7.2.30.0320.00716.92
7.2.20.0140.00816.70
7.2.10.0200.00616.84
7.2.00.0120.00917.50
7.1.250.0110.01015.69
7.1.200.0080.00515.95
7.1.100.0030.01018.05
7.1.70.0070.00017.38
7.1.60.0110.01419.82
7.1.50.0160.00316.91
7.1.00.0000.08022.28
7.0.200.0040.01116.84
7.0.140.0030.07321.99
7.0.70.4370.04319.94
7.0.60.0100.03720.01
7.0.50.0200.05317.84
7.0.40.0070.05020.23
7.0.30.0170.04020.12
7.0.20.0330.07020.08
7.0.10.0270.08020.30
7.0.00.0070.07720.05
5.6.280.0030.07321.00
5.6.210.0000.08720.46
5.6.200.0030.05318.14
5.6.190.0070.05020.52
5.6.180.0270.08020.56
5.6.170.0200.05320.54
5.6.160.0030.06020.43
5.6.150.0070.06018.22
5.6.140.0130.06718.17
5.6.130.0070.08018.34
5.6.120.0030.04321.09
5.6.110.0070.07021.14
5.6.100.0100.08321.13
5.6.90.0070.04021.10
5.6.80.0070.07720.38
5.6.70.0270.06020.37
5.5.350.0070.06020.44
5.5.340.0030.05017.95
5.5.330.0070.03720.56
5.5.320.0000.09020.30
5.5.310.0270.04720.51
5.5.300.0000.04318.01
5.5.290.0000.09317.98
5.5.280.0100.04320.84
5.5.270.0070.08720.77
5.5.260.0000.07320.86
5.5.250.0130.06720.70
5.5.240.0030.04020.37
5.4.450.0000.04019.30
5.4.440.0000.04019.32
5.4.430.0000.04019.26
5.4.420.0000.04019.63
5.4.410.0070.04019.35
5.4.400.0030.03319.23
5.4.390.0000.03719.09
5.4.380.0000.04319.21
5.4.370.0000.05019.06
5.4.360.0000.03719.08
5.4.350.0030.03318.86
5.4.340.0000.03718.87
5.4.320.0000.04719.09
5.4.310.0000.06319.20
5.4.300.0070.06719.09
5.4.290.0000.03719.21
5.4.280.0000.04019.13
5.4.270.0070.04019.08
5.4.260.0030.07019.09
5.4.250.0030.06019.05
5.4.240.0070.06719.22
5.4.230.0030.04019.10
5.4.220.0000.04019.21
5.4.210.0030.04019.23
5.4.200.0170.02719.21
5.4.190.0000.07718.98
5.4.180.0030.05719.14
5.4.170.0070.07018.86
5.4.160.0030.07319.19
5.4.150.0070.07019.17
5.4.140.0070.03016.39
5.4.130.0030.05716.38
5.4.120.0000.07016.34
5.4.110.0030.07716.52
5.4.100.0030.07016.40
5.4.90.0000.07716.47
5.4.80.0100.06716.25
5.4.70.0030.07016.18
5.4.60.0070.06016.35
5.4.50.0030.04716.32
5.4.40.0000.07716.25
5.4.30.0100.05316.23
5.4.20.0030.07316.53
5.4.10.0070.05716.53
5.4.00.0000.07015.86
5.3.290.0200.02714.65
5.3.280.0000.04714.49
5.3.270.0000.04314.76
5.3.260.0030.07714.57
5.3.250.0000.04314.77
5.3.240.0070.05714.76
5.3.230.0000.05314.71
5.3.220.0100.06714.74
5.3.210.0000.06314.68
5.3.200.0070.07014.54
5.3.190.0000.04714.54
5.3.180.0030.06714.46
5.3.170.0030.07314.48
5.3.160.0100.06714.48
5.3.150.0000.05014.68
5.3.140.0070.07314.60
5.3.130.0070.05714.63
5.3.120.0030.08014.66
5.3.110.0070.07714.63
5.3.100.0030.06014.16
5.3.90.0030.07313.93
5.3.80.0000.07314.18
5.3.70.0000.07014.23
5.3.60.0000.07313.93
5.3.50.0000.07314.03
5.3.40.0030.07713.96
5.3.30.0000.07714.02
5.3.20.0000.06713.59
5.3.10.0000.06313.57
5.3.00.0000.07713.56
5.2.170.0030.05712.11
5.2.160.0000.06012.11
5.2.150.0000.04312.11
5.2.140.0000.05312.11
5.2.130.0030.05012.11
5.2.120.0070.05712.11
5.2.110.0030.06012.11
5.2.100.0000.04312.11
5.2.90.0000.06012.11
5.2.80.0030.06012.11
5.2.70.0100.05312.11
5.2.60.0000.05712.11
5.2.50.0030.06012.11
5.2.40.0000.04012.11
5.2.30.0030.06312.11
5.2.20.0000.05012.11
5.2.10.0030.05712.11
5.2.00.0070.05312.11
5.1.60.0030.05012.11
5.1.50.0030.05312.11
5.1.40.0000.06012.11
5.1.30.0000.06012.11
5.1.20.0000.04712.11
5.1.10.0030.05312.11
5.1.00.0070.04712.11
5.0.50.0070.03012.11
5.0.40.0000.05012.11
5.0.30.0000.05712.11
5.0.20.0030.03712.11
5.0.10.0070.04312.11
5.0.00.0030.05712.11
4.4.90.0030.03012.11
4.4.80.0000.03312.11
4.4.70.0000.03712.11
4.4.60.0030.03012.11
4.4.50.0000.03712.11
4.4.40.0000.05312.11
4.4.30.0030.02712.11
4.4.20.0000.02712.11
4.4.10.0000.03012.11
4.4.00.0000.05712.11
4.3.110.0030.03312.11
4.3.100.0070.02712.11
4.3.90.0030.03312.11
4.3.80.0000.04312.11
4.3.70.0000.03312.11
4.3.60.0000.03712.11
4.3.50.0000.03712.11
4.3.40.0030.04712.11
4.3.30.0030.03712.11
4.3.20.0030.03012.11
4.3.10.0030.03312.11
4.3.00.0000.03312.11

preferences:
39.78 ms | 401 KiB | 5 Q