3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array( array('X-Powered-By' => array('Servlet/3.0') ), array('x-willy-info' => array('test') )); echo implode(": ", array_map(function ($val) { return " ".$val[0]."\r\n"; }, $arr));

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)
8.3.60.0000.01416.62
8.3.50.0150.00221.14
8.3.40.0150.00318.61
8.3.30.0110.00318.70
8.3.20.0040.00418.82
8.3.10.0080.00020.14
8.3.00.0050.00320.77
8.2.180.0150.00018.43
8.2.170.0120.00322.96
8.2.160.0170.00319.22
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00821.13
8.2.120.0040.00426.35
8.2.110.0030.00621.24
8.2.100.0120.00017.93
8.2.90.0040.00419.36
8.2.80.0040.00417.97
8.2.70.0040.00417.75
8.2.60.0000.00818.05
8.2.50.0040.00718.10
8.2.40.0040.00420.60
8.2.30.0030.00620.62
8.2.20.0060.00317.73
8.2.10.0040.00418.11
8.2.00.0070.00017.94
8.1.280.0030.01325.92
8.1.270.0000.00723.83
8.1.260.0000.00728.09
8.1.250.0000.00728.09
8.1.240.0060.00323.83
8.1.230.0120.00017.58
8.1.220.0050.00317.74
8.1.210.0070.00418.77
8.1.200.0030.00717.35
8.1.190.0040.00417.35
8.1.180.0040.00418.10
8.1.170.0080.00018.55
8.1.160.0030.00518.93
8.1.150.0000.00718.86
8.1.140.0080.00019.64
8.1.130.0040.00417.61
8.1.120.0000.00817.47
8.1.110.0050.00317.46
8.1.100.0000.00717.49
8.1.90.0000.00717.36
8.1.80.0000.01017.49
8.1.70.0070.00017.30
8.1.60.0050.00217.57
8.1.50.0040.00417.52
8.1.40.0040.00417.55
8.1.30.0030.00617.62
8.1.20.0040.00417.61
8.1.10.0000.00717.31
8.1.00.0040.00417.45
8.0.300.0000.00818.77
8.0.290.0030.00516.75
8.0.280.0050.00318.34
8.0.270.0000.00717.25
8.0.260.0000.00617.27
8.0.250.0070.00017.04
8.0.240.0030.00317.00
8.0.230.0000.00816.94
8.0.220.0040.00416.99
8.0.210.0080.00016.92
8.0.200.0000.00716.96
8.0.190.0040.00416.89
8.0.180.0040.00416.89
8.0.170.0070.00017.05
8.0.160.0040.00416.92
8.0.150.0050.00316.82
8.0.140.0040.00416.88
8.0.130.0000.00613.33
8.0.120.0000.00816.74
8.0.110.0020.00516.83
8.0.100.0070.00016.74
8.0.90.0040.00416.81
8.0.80.0070.01116.94
8.0.70.0020.00516.92
8.0.60.0050.00317.03
8.0.50.0030.00516.98
8.0.30.0080.01017.02
8.0.20.0120.00617.40
8.0.10.0050.00216.84
8.0.00.0090.01116.80
7.4.330.0000.00515.08
7.4.320.0000.00616.48
7.4.300.0000.00616.61
7.4.290.0030.00816.41
7.4.280.0000.00816.54
7.4.270.0000.00716.45
7.4.260.0070.00016.45
7.4.250.0000.00716.56
7.4.240.0040.00416.50
7.4.230.0000.00716.38
7.4.220.0060.02016.64
7.4.210.0070.01016.66
7.4.200.0030.00316.30
7.4.160.0150.00016.69
7.4.150.0100.00717.40
7.4.140.0070.01117.86
7.4.130.0120.00516.56
7.4.120.0040.01316.55
7.4.110.0090.00616.61
7.4.100.0120.00916.57
7.4.90.0120.01016.68
7.4.80.0130.00619.39
7.4.70.0080.00916.55
7.4.60.0060.00916.62
7.4.50.0080.00816.50
7.4.40.0180.00616.72
7.4.30.0100.01016.58
7.4.00.0070.00715.08
7.3.330.0030.00313.21
7.3.320.0030.00313.33
7.3.310.0030.00316.34
7.3.300.0040.00416.19
7.3.290.0060.01316.28
7.3.280.0100.00816.28
7.3.270.0080.01517.40
7.3.260.0070.01416.42
7.3.250.0080.01116.36
7.3.240.0090.00916.34
7.3.230.0080.00816.41
7.3.210.0100.00616.38
7.3.200.0060.00916.18
7.3.190.0090.00916.46
7.3.180.0060.00916.29
7.3.170.0070.01116.37
7.3.160.0130.00316.38
7.3.10.0090.00516.74
7.3.00.0070.01016.63
7.2.330.0060.01116.59
7.2.320.0160.00316.80
7.2.310.0070.01016.82
7.2.300.0090.00816.66
7.2.290.0100.00716.71
7.2.130.0060.00316.65
7.2.120.0050.00816.88
7.2.110.0030.01016.87
7.2.100.0040.01016.78
7.2.90.0080.00616.93
7.2.80.0040.01116.93
7.2.70.0090.00516.98
7.2.60.0060.00816.80
7.2.50.0090.00416.92
7.2.40.0070.00416.88
7.2.30.0040.01016.80
7.2.20.0050.00916.42
7.2.10.0030.00816.67
7.2.00.0060.00717.70
7.1.250.0050.00615.71
7.1.200.0070.00715.88
7.1.100.0000.01017.92
7.1.70.0000.00817.11
7.1.60.0130.01019.13
7.1.00.0070.07322.42
7.0.200.0320.00315.04
7.0.60.4670.04319.85
7.0.50.0100.06020.44
7.0.40.0530.05020.44
7.0.30.0570.05720.20
7.0.20.0330.06320.31
7.0.10.0500.06320.24
7.0.00.0570.06320.30
5.6.280.0030.07021.04
5.6.210.0070.06020.73
5.6.200.0070.05318.16
5.6.190.0470.06721.18
5.6.180.0530.05721.14
5.6.170.0170.05321.09
5.6.160.0400.06021.13
5.6.150.0330.06321.07
5.6.140.0400.07021.09
5.6.130.0430.05721.08
5.6.120.0130.05721.09
5.6.110.0130.05720.91
5.6.100.0370.06021.14
5.6.90.0370.06321.08
5.6.80.0430.06320.34
5.6.70.0470.05720.39
5.6.60.0500.04320.55
5.6.50.0470.04320.47
5.6.40.0430.07720.43
5.6.30.0630.03720.46
5.6.20.0530.05020.38
5.6.10.0570.04720.42
5.6.00.0530.05720.42
5.5.350.0230.07020.43
5.5.340.0070.08018.08
5.5.330.0330.08020.76
5.5.320.0170.05320.85
5.5.310.0230.05020.98
5.5.300.0400.05720.85
5.5.290.0430.06320.97
5.5.280.0230.04720.82
5.5.270.0030.08020.79
5.5.260.0130.06720.96
5.5.250.0470.05720.63
5.5.240.0500.05320.25
5.5.230.0530.05720.27
5.5.220.0400.06020.25
5.5.210.0600.06320.16
5.5.200.0500.04720.09
5.5.190.0300.06720.23
5.5.180.0470.05720.26
5.5.160.0500.05320.18
5.5.150.0430.06020.26
5.5.140.0570.05020.23
5.5.130.0530.05720.21
5.5.120.0570.05720.26
5.5.110.0600.07720.18
5.5.100.0570.05720.25
5.5.90.0430.04720.09
5.5.80.0330.05720.11
5.5.70.0600.04720.11
5.5.60.0600.04720.12
5.5.50.0600.04720.10
5.5.40.0500.05719.88
5.5.30.0530.05720.08
5.5.20.0630.04720.10
5.5.10.0500.04720.07
5.5.00.0470.06020.06

preferences:
66.06 ms | 401 KiB | 5 Q