3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array( '0' => array( 'names' => array(0 => 'Apple'), 'group' => 1 ), '1' => array( 'names' => array(0 => 'Mango'), 'group' => 1 ), '2' => array( 'names' => array(0 => 'Grapes'), 'group' => 1 ), '3' => array( 'names' => array(0 => 'Tomato'), 'group' => 2 ), '4' => array( 'names' => array(0 => 'Potato', 1 => 'Monkeywrench'), 'group' => 2 ) ); foreach ($array as $row) { if (!isset($result[$row['group']])) { $result[$row['group']] = $row; } else { $result[$row['group']]['names'] = array_merge($result[$row['group']]['names'], $row['names']); } } var_export(array_values($result));

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)
8.3.70.0100.01016.75
8.3.60.0100.01018.43
8.3.50.0090.00617.99
8.3.40.0040.01118.92
8.3.30.0110.00418.75
8.3.20.0000.00820.89
8.3.10.0020.00521.73
8.3.00.0040.00423.65
8.2.180.0100.01016.88
8.2.170.0060.00922.96
8.2.160.0070.01020.39
8.2.150.0000.00824.18
8.2.140.0000.00724.66
8.2.130.0040.00426.16
8.2.120.0060.00317.75
8.2.110.0090.00321.00
8.2.100.0090.00317.77
8.2.90.0040.00418.22
8.2.80.0050.00517.97
8.2.70.0040.00417.93
8.2.60.0030.00618.05
8.2.50.0070.00018.10
8.2.40.0030.00617.91
8.2.30.0000.00718.21
8.2.20.0000.00718.02
8.2.10.0000.00919.38
8.2.00.0030.00420.24
8.1.280.0150.00625.92
8.1.270.0060.00318.84
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0060.00322.51
8.1.230.0090.00320.85
8.1.220.0000.00817.79
8.1.210.0000.00918.95
8.1.200.0060.00317.47
8.1.190.0120.00017.13
8.1.180.0090.00018.10
8.1.170.0030.00618.56
8.1.160.0050.00318.89
8.1.150.0040.00418.48
8.1.140.0000.00818.95
8.1.130.0020.00620.28
8.1.120.0070.00218.99
8.1.110.0010.00618.93
8.1.100.0020.00619.03
8.1.90.0030.00518.98
8.1.80.0030.00518.92
8.1.70.0040.00418.98
8.1.60.0060.00319.10
8.1.50.0020.00619.06
8.1.40.0020.00619.09
8.1.30.0010.00719.09
8.1.20.0000.00819.11
8.1.10.0020.00619.06
8.1.00.0030.00619.00
8.0.300.0030.00320.09
8.0.290.0080.00016.75
8.0.280.0000.00820.14
8.0.270.0000.00716.82
8.0.260.0030.00519.15
8.0.250.0050.00218.35
8.0.240.0030.00318.38
8.0.230.0050.00218.36
8.0.220.0010.00618.34
8.0.210.0040.00418.25
8.0.200.0000.00818.32
8.0.190.0050.00418.39
8.0.180.0020.00618.41
8.0.170.0030.00518.32
8.0.160.0040.00418.35
8.0.150.0010.00618.24
8.0.140.0020.00618.33
8.0.130.0000.00616.52
8.0.120.0030.00418.33
8.0.110.0000.00818.30
8.0.100.0000.00918.30
8.0.90.0070.00018.35
8.0.80.0110.00418.37
8.0.70.0020.00518.37
8.0.60.0050.00318.30
8.0.50.0000.00718.35
8.0.30.0080.00817.73
8.0.20.0080.00518.63
8.0.10.0000.00818.37
8.0.00.0110.00617.85
7.4.330.0070.00215.67
7.4.320.0080.00517.18
7.4.300.0080.00417.08
7.4.290.0090.00517.04
7.4.280.0120.00217.15
7.4.270.0090.00417.08
7.4.260.0050.00617.05
7.4.250.0050.00417.12
7.4.240.0090.00317.00
7.4.230.0110.00217.11
7.4.220.0050.00617.19
7.4.210.0070.00816.86
7.4.200.0070.00417.07
7.4.190.0060.00917.70
7.4.180.0110.00417.68
7.4.160.0090.00716.75
7.4.150.0110.00417.55
7.4.140.0110.00817.81
7.4.130.0130.00317.02
7.4.120.0090.00716.94
7.4.110.0090.00817.05
7.4.100.0040.01316.96
7.4.90.0100.00516.90
7.4.80.0100.00518.52
7.4.70.0090.00617.09
7.4.60.0110.00517.05
7.4.50.0070.00716.88
7.4.40.0070.00817.00
7.4.30.0130.00017.57
7.4.20.0140.00017.69
7.4.10.0090.00516.38
7.4.00.0080.00815.57
7.3.330.0050.00515.28
7.3.320.0090.00115.28
7.3.310.0090.00216.89
7.3.300.0060.00416.86
7.3.290.0090.00116.90
7.3.280.0080.00916.69
7.3.270.0120.00317.44
7.3.260.0130.00716.63
7.3.250.0050.01017.39
7.3.240.0090.01016.70
7.3.230.0110.00416.98
7.3.220.0120.00517.47
7.3.210.0090.00616.79
7.3.200.0150.00416.81
7.3.190.0170.00317.01
7.3.180.0070.01116.89
7.3.170.0130.00316.91
7.3.160.0100.00517.03
7.3.150.0120.00417.48
7.3.140.0120.00417.24
7.3.130.0060.00716.28
7.3.120.0090.00615.61
7.3.110.0100.00615.74
7.3.100.0080.00715.51
7.3.90.0080.00715.85
7.3.80.0080.00615.74
7.3.70.0090.00615.79
7.3.60.0050.00915.63
7.3.50.0070.00815.74
7.3.40.0110.00415.70
7.3.30.0080.00615.68
7.3.20.0060.00917.57
7.3.10.0150.00716.90
7.3.00.0170.00616.79
7.2.340.0140.00017.34
7.2.330.0100.00717.03
7.2.320.0070.01217.07
7.2.310.0150.00117.04
7.2.300.0120.00517.10
7.2.290.0150.00217.08
7.2.280.0140.00017.59
7.2.270.0110.00417.62
7.2.260.0140.00316.31
7.2.250.0100.00715.89
7.2.240.0090.00615.87
7.2.230.0050.00915.95
7.2.220.0060.00815.89
7.2.210.0070.00915.83
7.2.200.0080.00816.04
7.2.190.0080.00515.78
7.2.180.0070.00815.80
7.2.170.0100.00515.95
7.2.160.0050.00815.87
7.2.150.0070.00717.75
7.2.140.0120.00317.93
7.2.130.0190.00317.02
7.2.120.0180.00716.97
7.2.110.0130.00817.05
7.2.100.0130.01017.11
7.2.90.0250.00517.18
7.2.80.0300.00717.14
7.2.70.0250.00917.10
7.2.60.0200.00817.10
7.2.50.0160.00917.08
7.2.40.0180.00417.05
7.2.30.0160.00717.10
7.2.20.0140.00617.14
7.2.10.0170.00517.19
7.2.00.0170.00516.99
7.1.330.0060.00916.68
7.1.320.0060.00916.75
7.1.310.0080.00616.90
7.1.300.0070.00816.65
7.1.290.0050.00816.72
7.1.280.0080.00616.65
7.1.270.0060.00816.67
7.1.260.0070.00716.74
7.1.250.0180.00416.04
7.1.240.0060.00716.78
7.1.230.0060.00716.61
7.1.220.0100.00316.57
7.1.210.0110.00216.70
7.1.200.0090.00416.77
7.1.190.0080.00616.69
7.1.180.0060.00716.63
7.1.170.0100.00416.62
7.1.160.0050.00716.74
7.1.150.0050.00916.65
7.1.140.0080.00616.50
7.1.130.0070.00716.63
7.1.120.0100.00516.68
7.1.110.0050.00616.82
7.1.100.0110.00416.61
7.1.90.0070.00916.60
7.1.80.0050.00816.65
7.1.70.0060.00516.76
7.1.60.0030.01016.63
7.1.50.0090.00516.67
7.1.40.0080.00816.69
7.1.30.0060.00616.68
7.1.20.0030.01016.56
7.1.10.0070.00516.60
7.1.00.0030.00816.49

preferences:
64.67 ms | 400 KiB | 5 Q