3v4l.org

run code in 300+ PHP versions simultaneously
<?php function do_html_heading($level = 1, $heading) { // print heading echo "<h" . ($level = (int)$level ? : 1) . ">" . $heading . "</h{$level}>" ; //var_dump($level); } do_html_heading("jkjsdkds", "mon titre");

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)
8.3.60.0130.00318.43
8.3.50.0080.01116.68
8.3.40.0070.01018.63
8.3.30.0070.00718.71
8.3.20.0060.00318.60
8.3.10.0080.00018.52
8.3.00.0080.00019.38
8.2.180.0090.00616.49
8.2.170.0070.00722.96
8.2.160.0100.00718.96
8.2.150.0080.00024.18
8.2.140.0120.00624.66
8.2.130.0000.00826.16
8.2.120.0070.00019.77
8.2.110.0070.00321.12
8.2.100.0100.00317.79
8.2.90.0040.00419.16
8.2.80.0080.00017.97
8.2.70.0040.00417.63
8.2.60.0030.00719.10
8.2.50.0040.00417.93
8.2.40.0000.00819.35
8.2.30.0040.00417.55
8.2.20.0000.00817.53
8.2.10.0040.00417.73
8.2.00.0050.00217.56
8.1.280.0040.01225.92
8.1.270.0000.00823.99
8.1.260.0080.00026.35
8.1.250.0050.00228.09
8.1.240.0070.00320.85
8.1.230.0080.00317.64
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0060.00317.35
8.1.190.0100.00017.23
8.1.180.0040.00418.10
8.1.170.0040.00417.62
8.1.160.0000.00719.04
8.1.150.0040.00418.63
8.1.140.0000.00717.39
8.1.130.0030.00317.35
8.1.120.0000.00717.39
8.1.110.0040.00417.43
8.1.100.0050.00317.44
8.1.90.0050.00217.38
8.1.80.0050.00317.45
8.1.70.0030.00317.38
8.1.60.0040.00417.63
8.1.50.0040.00417.48
8.1.40.0000.00817.49
8.1.30.0080.00017.50
8.1.20.0100.00017.63
8.1.10.0000.00817.45
8.1.00.0000.00717.31
8.0.300.0030.00618.77
8.0.290.0030.00616.88
8.0.280.0030.00518.46
8.0.270.0030.00317.16
8.0.260.0000.00716.80
8.0.250.0000.00817.02
8.0.240.0000.00816.98
8.0.230.0080.00017.04
8.0.220.0040.00416.96
8.0.210.0000.00716.95
8.0.200.0050.00316.97
8.0.190.0030.00316.87
8.0.180.0040.00416.83
8.0.170.0000.00816.98
8.0.160.0030.00316.91
8.0.150.0000.00916.84
8.0.140.0000.00716.85
8.0.130.0000.00513.36
8.0.120.0000.01016.87
8.0.110.0030.00617.00
8.0.100.0050.00216.77
8.0.90.0050.00316.97
8.0.80.0070.01416.89
8.0.70.0000.00716.90
8.0.60.0040.00416.80
8.0.50.0000.00816.99
8.0.30.0090.00917.24
8.0.20.0100.01217.11
8.0.10.0000.00717.01
8.0.00.0100.00916.81
7.4.330.0030.00312.91
7.4.320.0000.00616.59
7.4.300.0030.00316.50
7.4.290.0070.00416.48
7.4.280.0000.00816.52
7.4.270.0040.00416.61
7.4.260.0050.00013.38
7.4.250.0040.00416.47
7.4.240.0050.00316.49
7.4.230.0000.00716.45
7.4.220.0090.00916.54
7.4.210.0070.01316.59
7.4.200.0070.00016.66
7.4.190.0040.00416.54
7.4.160.0060.00916.58
7.4.150.0030.01316.65
7.4.140.0150.00417.86
7.4.130.0110.01116.36
7.4.120.0030.01416.75
7.4.110.0110.01416.57
7.4.100.0060.01516.36
7.4.90.0090.01216.45
7.4.80.0140.01119.39
7.4.70.0090.00916.55
7.4.60.0060.00916.55
7.4.50.0060.00316.40
7.4.40.0040.01516.25
7.4.30.0050.01716.60
7.4.00.0080.00514.78
7.3.330.0000.00613.35
7.3.320.0000.00613.27
7.3.310.0070.00016.39
7.3.300.0000.00616.30
7.3.290.0110.00616.34
7.3.280.0110.00916.28
7.3.270.0100.00716.30
7.3.260.0070.01016.36
7.3.240.0150.00716.36
7.3.230.0070.01016.53
7.3.210.0100.00716.38
7.3.200.0100.00716.41
7.3.190.0060.00916.38
7.3.180.0090.00616.53
7.3.170.0150.00316.57
7.3.160.0090.00616.55
7.3.120.0000.01215.10
7.2.330.0100.00916.66
7.2.320.0150.00816.62
7.2.310.0070.01016.73
7.2.300.0120.00616.60
7.2.290.0130.01016.73
7.2.00.0030.00919.29
7.1.100.0090.01718.22
7.1.70.0110.00317.18
7.1.60.0150.00719.25
7.1.50.0070.01516.71
7.1.00.0000.04322.35
7.0.200.0000.00816.64
7.0.140.0000.07321.90
7.0.120.0070.07022.09
7.0.110.0030.06719.93
7.0.100.0100.04319.92
7.0.90.0070.08719.86
7.0.80.0070.06019.92
7.0.70.0000.04319.89
7.0.60.0000.04320.04
7.0.50.0030.09720.05
7.0.40.0000.04319.66
7.0.30.0100.05019.66
7.0.20.0070.06719.68
7.0.10.0130.06719.65
7.0.00.0070.03719.71
5.6.280.0100.06721.02
5.6.260.0070.04720.75
5.6.250.0070.03720.68
5.6.240.0130.03320.55
5.6.230.0100.03720.69
5.6.220.0070.07020.68
5.6.210.0100.05320.64
5.6.200.0030.06320.64
5.6.190.0000.08720.68
5.6.180.0030.06720.61
5.6.170.0030.08720.65
5.6.160.0070.06720.62
5.6.150.0070.06720.64
5.6.140.0030.05720.56
5.6.130.0030.03720.55
5.6.120.0070.03720.68
5.6.110.0100.03720.55
5.6.100.0030.05020.64
5.6.90.0170.02320.69
5.6.80.0030.05020.05
5.6.70.0030.03319.94
5.6.60.0070.03020.06
5.6.50.0030.03020.04
5.6.40.0030.03020.00
5.6.30.0200.02319.97
5.6.20.0100.03320.02
5.6.10.0070.03020.00
5.6.00.0030.03320.05
5.5.380.0070.04717.73
5.5.370.0070.07017.73
5.5.360.0000.04317.56
5.5.350.0100.03017.51
5.5.340.0070.07018.06
5.5.330.0170.07318.09
5.5.320.0030.04018.11
5.5.310.0030.04018.23
5.5.300.0000.04018.09
5.5.290.0030.04017.91
5.5.280.0100.03018.23
5.5.270.0000.04717.92
5.5.260.0100.03717.91
5.5.250.0000.04317.94
5.5.240.0030.03317.53
5.5.230.0030.03717.60
5.5.220.0070.03317.29
5.5.210.0000.03717.21
5.5.200.0070.05717.27
5.5.190.0000.04317.40
5.5.180.0070.03317.57
5.5.160.0030.03317.26
5.5.150.0070.03717.45
5.5.140.0000.03317.14
5.5.130.0000.03317.45
5.5.120.0070.03317.48
5.5.110.0000.04017.28
5.5.100.0000.04017.41
5.5.90.0030.03017.32
5.5.80.0000.03317.18
5.5.70.0030.03317.50
5.5.60.0030.03717.46
5.5.50.0070.02717.34
5.5.40.0000.03317.46
5.5.30.0070.03317.45
5.5.20.0000.03317.16
5.5.10.0030.03017.17
5.5.00.0000.04017.31
5.4.450.0070.03019.28
5.4.440.0000.04319.46
5.4.430.0030.04019.32
5.4.420.0030.04319.49
5.4.410.0000.04319.38
5.4.400.0030.03719.02
5.4.390.0030.03019.09
5.4.380.0030.03719.23
5.4.370.0030.03719.24
5.4.360.0030.03719.01
5.4.350.0030.03019.01
5.4.340.0070.03718.98
5.4.320.0030.04319.23
5.4.310.0000.03319.24
5.4.300.0030.03019.03
5.4.290.0000.04019.31
5.4.280.0030.03019.31
5.4.270.0030.03719.00
5.4.260.0000.03319.24
5.4.250.0070.02718.94
5.4.240.0030.03019.08
5.4.230.0070.03019.23
5.4.220.0070.03019.21
5.4.210.0070.02719.33
5.4.200.0030.03018.94
5.4.190.0000.03319.00
5.4.180.0070.04319.02
5.4.170.0030.03319.02
5.4.160.0000.03318.94
5.4.150.0070.04319.01
5.4.140.0030.06316.50
5.4.130.0070.02316.53
5.4.120.0130.04716.55
5.4.110.0030.03716.57
5.4.100.0070.06716.47
5.4.90.0070.03016.42
5.4.80.0130.06716.39
5.4.70.0070.03716.40
5.4.60.0070.04316.52
5.4.50.0000.03716.34
5.4.40.0030.06016.49
5.4.30.0100.05016.38
5.4.20.0070.03016.38
5.4.10.0030.03316.56
5.4.00.0000.05715.99
5.3.290.0030.04014.52
5.3.280.0030.03314.72
5.3.270.0030.03014.59
5.3.260.0000.04014.61
5.3.250.0030.03014.61
5.3.240.0000.03714.58
5.3.230.0030.07314.57
5.3.220.0100.05714.58
5.3.210.0100.05014.57
5.3.200.0070.04714.56
5.3.190.0070.04714.57
5.3.180.0030.05314.64
5.3.170.0100.07014.64
5.3.160.0070.07014.52
5.3.150.0170.04314.57
5.3.140.0070.04714.57
5.3.130.0000.04314.50
5.3.120.0030.05314.63
5.3.110.0070.03314.50
5.3.100.0030.05714.04
5.3.90.0070.06713.88
5.3.80.0030.07013.96
5.3.70.0030.05714.02
5.3.60.0030.03313.86
5.3.50.0030.06313.93
5.3.40.0200.03713.93
5.3.30.0070.07013.89
5.3.20.0070.05013.54
5.3.10.0030.03313.73
5.3.00.0000.05013.63
5.2.170.0070.03312.07
5.2.160.0030.06312.07
5.2.150.0070.05312.07
5.2.140.0070.02312.07
5.2.130.0030.02712.07
5.2.120.0100.02712.07
5.2.110.0030.02712.07
5.2.100.0030.03012.07
5.2.90.0030.03012.07
5.2.80.0030.02712.07
5.2.70.0070.02712.07
5.2.60.0000.05712.07
5.2.50.0000.03012.07
5.2.40.0000.02712.07
5.2.30.0000.03012.07
5.2.20.0000.03312.07
5.2.10.0030.03312.07
5.2.00.0030.02712.07
5.1.60.0030.02312.07
5.1.50.0030.04012.07
5.1.40.0000.04312.07
5.1.30.0030.03312.07
5.1.20.0070.04312.07
5.1.10.0100.05012.07
5.1.00.0030.03312.07
5.0.50.0030.02312.07
5.0.40.0030.03012.07
5.0.30.0070.03012.07
5.0.20.0000.03012.07
5.0.10.0030.02312.07
5.0.00.0030.03312.07
4.4.90.0030.03312.07
4.4.80.0030.03012.07
4.4.70.0070.02012.07
4.4.60.0030.01712.07
4.4.50.0070.01312.07
4.4.40.0030.02012.07
4.4.30.0030.03012.07
4.4.20.0130.02012.07
4.4.10.0030.02012.07
4.4.00.0000.03012.07
4.3.110.0000.02012.07
4.3.100.0000.01712.07
4.3.90.0070.02012.07
4.3.80.0100.03012.07
4.3.70.0000.02012.07
4.3.60.0000.01712.07
4.3.50.0000.03712.07
4.3.40.0100.04312.07
4.3.30.0070.02312.07
4.3.20.0000.02012.07
4.3.10.0070.01712.07
4.3.00.0000.03712.07

preferences:
43.6 ms | 401 KiB | 5 Q