3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array('xml' => array( 'attributes' => array( 'version' => '1.0', 'encoding' => 'utf-8', ), )); $t = array('test' => 'my_test_123'); $a['xml']['attributes'] = array_merge($a['xml']['attributes'], $t); print_r($a);

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)
8.3.60.0120.00616.50
8.3.50.0160.00622.01
8.3.40.0170.00318.66
8.3.30.0100.00718.96
8.3.20.0080.00020.16
8.3.10.0050.00323.48
8.3.00.0080.00021.02
8.2.180.0060.00816.50
8.2.170.0100.00722.96
8.2.160.0110.00320.50
8.2.150.0000.00724.18
8.2.140.0060.00324.66
8.2.130.0150.00026.16
8.2.120.0070.00022.27
8.2.110.0100.00021.18
8.2.100.0090.00317.72
8.2.90.0050.00519.21
8.2.80.0000.00917.97
8.2.70.0000.00817.63
8.2.60.0040.00417.93
8.2.50.0040.00418.10
8.2.40.0090.00018.22
8.2.30.0060.00317.96
8.2.20.0040.00417.62
8.2.10.0040.00417.58
8.2.00.0000.00817.78
8.1.280.0030.01525.92
8.1.270.0060.00323.95
8.1.260.0040.00426.35
8.1.250.0050.00228.09
8.1.240.0090.00022.62
8.1.230.0050.00517.77
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0040.00417.35
8.1.190.0050.00317.35
8.1.180.0030.00618.10
8.1.170.0100.00018.38
8.1.160.0000.00721.98
8.1.150.0080.00018.57
8.1.140.0000.00717.39
8.1.130.0030.00617.76
8.1.120.0000.00717.39
8.1.110.0000.00717.42
8.1.100.0000.00717.37
8.1.90.0030.00517.28
8.1.80.0030.00317.40
8.1.70.0000.00817.34
8.1.60.0030.00517.39
8.1.50.0040.00417.44
8.1.40.0040.00417.34
8.1.30.0040.00417.43
8.1.20.0080.00017.49
8.1.10.0070.00017.50
8.1.00.0040.00417.45
8.0.300.0040.00418.77
8.0.290.0000.00716.58
8.0.280.0030.00318.36
8.0.270.0030.00317.16
8.0.260.0030.00316.63
8.0.250.0000.00716.88
8.0.240.0000.00716.77
8.0.230.0030.00316.77
8.0.220.0000.00716.84
8.0.210.0080.00016.70
8.0.200.0000.00716.77
8.0.190.0040.00716.90
8.0.180.0000.00816.67
8.0.170.0020.00516.76
8.0.160.0030.00516.69
8.0.150.0030.00316.82
8.0.140.0070.00316.81
8.0.130.0030.00313.20
8.0.120.0080.00016.70
8.0.110.0040.00416.70
8.0.100.0040.00416.75
8.0.90.0000.00716.61
8.0.80.0070.01016.88
8.0.70.0040.00416.83
8.0.60.0040.00416.88
8.0.50.0000.00816.67
8.0.30.0120.00617.11
8.0.20.0120.01117.40
8.0.10.0040.00416.93
8.0.00.0100.01216.73
7.4.330.0030.00315.02
7.4.320.0000.00616.48
7.4.300.0030.00316.46
7.4.290.0000.00816.52
7.4.280.0060.00316.42
7.4.270.0070.00016.57
7.4.260.0000.00716.35
7.4.250.0000.00716.38
7.4.240.0040.00316.43
7.4.230.0030.00316.28
7.4.220.0040.01116.56
7.4.210.0090.00516.47
7.4.200.0070.00016.39
7.4.190.0040.00416.30
7.4.160.0080.00816.43
7.4.150.0180.00017.40
7.4.140.0080.01017.86
7.4.130.0120.00516.39
7.4.120.0150.00816.61
7.4.110.0110.01216.48
7.4.100.0090.00916.33
7.4.90.0090.00916.36
7.4.80.0180.00419.39
7.4.70.0070.01016.38
7.4.60.0040.01416.66
7.4.50.0040.00416.28
7.4.40.0110.00422.77
7.4.30.0040.01116.44
7.4.00.0060.00914.70
7.3.330.0000.00513.03
7.3.320.0000.00512.92
7.3.310.0040.00416.13
7.3.300.0030.00316.13
7.3.290.0130.00616.16
7.3.280.0050.01416.32
7.3.270.0080.00817.40
7.3.260.0110.00716.56
7.3.250.0120.00516.40
7.3.240.0100.00716.48
7.3.230.0100.00616.43
7.3.210.0060.01016.22
7.3.200.0090.00919.39
7.3.190.0130.01016.37
7.3.180.0130.00316.11
7.3.170.0120.00316.53
7.3.160.0040.01916.30
7.3.120.0070.01015.03
7.2.330.0140.01216.76
7.2.320.0100.01016.63
7.2.310.0070.01016.36
7.2.300.0140.00316.66
7.2.290.0120.00616.57
7.2.60.0060.00916.78
7.2.50.0030.01016.93
7.2.00.0080.00419.38
7.1.200.0040.00715.73
7.1.100.0320.00716.27
7.1.70.0060.00617.04
7.1.60.0140.01019.29
7.1.50.0090.01516.66
7.1.00.0000.08022.33
7.0.200.0050.00316.76
7.0.140.0030.07322.10
7.0.70.0200.07319.90
7.0.60.0230.05720.07
7.0.50.0130.06020.30
7.0.40.0070.07720.13
7.0.30.0000.10020.00
7.0.20.0070.09320.09
7.0.10.0000.06020.16
7.0.00.0100.08319.94
5.6.280.0030.07021.02
5.6.220.0130.07320.54
5.6.210.0230.06020.75
5.6.200.0070.08721.02
5.6.190.0070.07720.93
5.6.180.0130.08021.00
5.6.170.0130.08020.95
5.6.160.0100.08321.07
5.6.150.0100.05720.95
5.6.140.0070.08321.08
5.6.130.0070.06021.16
5.6.120.0100.08321.00
5.6.110.0130.07720.94
5.6.100.0070.04321.02
5.6.90.0170.07721.11
5.6.80.0030.04020.49
5.6.70.0170.07320.40
5.6.60.0130.08320.38
5.6.50.0100.04320.54
5.6.40.0030.04320.36
5.6.30.0100.04720.37
5.6.20.0000.08020.36
5.6.10.0100.07720.37
5.6.00.0100.05320.35
5.5.360.0200.07320.38
5.5.350.0070.08720.46
5.5.340.0130.07720.63
5.5.330.0030.09020.80
5.5.320.0130.07320.85
5.5.310.0070.06720.63
5.5.300.0100.07320.77
5.5.290.0030.07320.85
5.5.280.0030.07020.82
5.5.270.0170.08020.63
5.5.260.0030.07320.82
5.5.250.0130.08020.68
5.5.240.0030.04020.24
5.5.230.0170.07320.16
5.5.220.0030.08020.13
5.5.210.0030.04320.19
5.5.200.0100.04320.19
5.5.190.0170.06720.27
5.5.180.0100.03720.24
5.5.160.0100.06319.98
5.5.150.0100.04020.13
5.5.140.0100.07020.17
5.5.130.0030.04019.98
5.5.120.0070.03720.24
5.5.110.0030.05020.23
5.5.100.0000.04320.00
5.5.90.0030.04020.04
5.5.80.0030.04020.12
5.5.70.0000.04320.14
5.5.60.0070.03720.14
5.5.50.0100.03320.08
5.5.40.0070.03720.14
5.5.30.0070.03720.09
5.5.20.0070.04020.07
5.5.10.0030.04020.07
5.5.00.0000.05720.06
5.4.450.0100.08019.36
5.4.440.0100.08019.47
5.4.430.0030.05319.43
5.4.420.0100.08019.55
5.4.410.0030.04719.09
5.4.400.0100.08019.23
5.4.390.0100.08018.96
5.4.380.0130.06719.03
5.4.370.0100.06319.05
5.4.360.0130.03319.12
5.4.350.0070.04719.07
5.4.340.0030.06019.12
5.4.320.0170.07318.94
5.4.310.0130.06019.13
5.4.300.0070.04019.09
5.4.290.0070.05718.96
5.4.280.0000.04018.78
5.4.270.0100.07019.07
5.4.260.0030.03718.80
5.4.250.0030.04319.02
5.4.240.0100.03318.94
5.4.230.0000.04019.02
5.4.220.0030.04019.04
5.4.210.0030.04018.95
5.4.200.0070.03719.02
5.4.190.0130.03019.08
5.4.180.0000.04319.22
5.4.170.0030.07019.13
5.4.160.0030.04019.10
5.4.150.0030.04018.95
5.4.140.0030.04016.31
5.4.130.0070.04316.12
5.4.120.0070.03316.28
5.4.110.0100.06716.30
5.4.100.0030.04016.43
5.4.90.0030.03716.20
5.4.80.0130.06716.34
5.4.70.0070.03316.35
5.4.60.0070.03316.29
5.4.50.0100.06316.30
5.4.40.0100.06716.22
5.4.30.0030.04316.39
5.4.20.0030.05016.23
5.4.10.0030.03716.24
5.4.00.0070.03315.83
5.3.290.0130.06314.52
5.3.280.0100.03314.50
5.3.270.0030.04014.59
5.3.260.0070.06714.46
5.3.250.0030.04014.57
5.3.240.0000.04014.54
5.3.230.0130.04714.53
5.3.220.0100.03014.43
5.3.210.0030.08014.55
5.3.200.0000.04314.50
5.3.190.0030.05714.40
5.3.180.0030.03714.38
5.3.170.0000.04314.39
5.3.160.0100.04014.55
5.3.150.0070.07714.55
5.3.140.0000.04314.49
5.3.130.0000.04014.51
5.3.120.0070.03714.42
5.3.110.0000.04314.48
5.3.100.0100.03013.99
5.3.90.0000.04313.85
5.3.80.0030.07713.79
5.3.70.0030.04314.03
5.3.60.0030.05313.96
5.3.50.0000.04013.95
5.3.40.0030.04013.80
5.3.30.0070.03313.77
5.3.20.0100.03713.59
5.3.10.0030.03313.61
5.3.00.0070.07013.55
5.2.170.0030.03012.72
5.2.160.0000.03312.72
5.2.150.0130.02012.72
5.2.140.0000.03312.72
5.2.130.0030.03012.72
5.2.120.0000.03012.72
5.2.110.0030.02712.72
5.2.100.0070.02712.72
5.2.90.0030.03012.72
5.2.80.0030.05712.72
5.2.70.0070.06312.72
5.2.60.0030.05012.72
5.2.50.0030.03312.72
5.2.40.0030.03312.72
5.2.30.0030.03012.72
5.2.20.0030.03712.72
5.2.10.0200.05012.72
5.2.00.0070.05312.72
5.1.60.0100.04712.72
5.1.50.0100.05312.72
5.1.40.0070.05312.72
5.1.30.0000.04712.72
5.1.20.0070.05712.72
5.1.10.0070.05712.72
5.1.00.0070.05712.72
5.0.50.0070.04312.72
5.0.40.0100.03712.72
5.0.30.0000.06312.72
5.0.20.0100.04012.72
5.0.10.0070.04012.72
5.0.00.0030.06312.72
4.4.90.0030.02712.72
4.4.80.0030.03312.72
4.4.70.0030.02312.72
4.4.60.0030.02012.72
4.4.50.0100.03012.72
4.4.40.0030.05312.72
4.4.30.0000.03312.72
4.4.20.0000.03712.72
4.4.10.0000.03012.72
4.4.00.0000.06012.72
4.3.110.0000.04012.72
4.3.100.0000.02312.72
4.3.90.0000.03712.72
4.3.80.0100.04712.72
4.3.70.0030.03012.72
4.3.60.0070.02712.72
4.3.50.0030.03312.72
4.3.40.0070.04312.72
4.3.30.0000.04012.72
4.3.20.0070.03312.72
4.3.10.0000.03012.72
4.3.00.0000.02712.72

preferences:
41.93 ms | 401 KiB | 5 Q