3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array ( "100" => array( array( "country" => 'France', "city" => 'Paris', "population" => '1800000', ), array( "country" => 'France', "city" => 'Paris', "population" => '2000000', ), array( "country" => 'France', "city" => 'Toulouse', "population" => '500000', ), ), "101" => array( array( "country" => 'Russia', "population" => '144000000', ) ) ); foreach($arr as $key => $sub){ foreach($sub as $item){ if(isset($item['city'])){ if(!isset($res[$key][$item['country'] . $item['city']])) $res[$key][$item['country'] . $item['city']] = $item; if($res[$key][$item['country'] . $item['city']] < $item['population']) $res[$key][$item['country'] . $item['city']] = $item; }else{ if(!isset($res[$key][$item['country']])) $res[$key][$item['country']] = $item; if($res[$key][$item['country']] < $item['population']) $res[$key][$item['country']] = $item; } } } var_dump($res);

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)
8.5.10.0120.00716.71
8.5.00.0140.00821.57
8.4.150.0020.00014.05
8.4.140.0100.01117.66
8.4.130.0100.00917.71
8.4.120.0050.00420.41
8.4.110.0110.01019.09
8.4.100.0130.00918.71
8.4.90.0110.01020.59
8.4.80.0110.00918.89
8.4.70.0170.00318.23
8.4.60.0130.00619.03
8.4.50.0090.01218.79
8.4.40.0160.00319.70
8.4.30.0190.00024.14
8.4.20.0070.01320.66
8.4.10.0100.00617.81
8.3.280.0140.00918.35
8.3.270.0100.00916.63
8.3.260.0110.00817.18
8.3.250.0100.00918.63
8.3.240.0080.00917.17
8.3.230.0110.00816.61
8.3.220.0110.00518.83
8.3.210.0130.00516.52
8.3.200.0070.00216.52
8.3.190.0100.00617.03
8.3.180.0070.00216.50
8.3.170.0120.00617.11
8.3.160.0120.00618.64
8.3.150.0070.01117.10
8.3.140.0040.01118.88
8.3.130.0080.00022.59
8.3.120.0000.01020.93
8.3.110.0000.00820.94
8.3.100.0100.00024.06
8.3.90.0040.00426.77
8.3.80.0090.00018.16
8.3.70.0150.00018.21
8.3.60.0130.00718.31
8.3.50.0130.00519.29
8.3.40.0130.00318.79
8.3.30.0090.00618.65
8.3.20.0080.00020.83
8.3.10.0070.00023.52
8.3.00.0000.00820.63
8.2.290.0120.00620.29
8.2.280.0120.00718.13
8.2.270.0140.00417.30
8.2.260.0000.00920.92
8.2.250.0050.00316.59
8.2.240.0060.00317.02
8.2.230.0060.00322.58
8.2.220.0060.00337.54
8.2.210.0090.00626.77
8.2.200.0060.00318.54
8.2.190.0100.00716.58
8.2.180.0130.00616.50
8.2.170.0100.00722.96
8.2.160.0040.01120.39
8.2.150.0070.00024.18
8.2.140.0080.00024.66
8.2.130.0080.00417.91
8.2.120.0080.00026.35
8.2.110.0090.00021.03
8.2.100.0060.00617.91
8.2.90.0080.00017.84
8.2.80.0000.00817.97
8.2.70.0080.00017.93
8.2.60.0040.00418.03
8.2.50.0050.00318.10
8.2.40.0040.00419.55
8.2.30.0000.00720.63
8.2.20.0040.00418.00
8.2.10.0040.00421.00
8.2.00.0000.00818.05
8.1.330.0100.00921.87
8.1.320.0110.00817.82
8.1.310.0040.01116.49
8.1.300.0060.00319.47
8.1.290.0090.00030.84
8.1.280.0100.00725.92
8.1.270.0040.00422.05
8.1.260.0050.00326.35
8.1.250.0030.00528.09
8.1.240.0040.00422.46
8.1.230.0040.00821.03
8.1.220.0000.00917.79
8.1.210.0000.00818.77
8.1.200.0060.00317.48
8.1.190.0090.00317.35
8.1.180.0050.00318.10
8.1.170.0040.00418.52
8.1.160.0040.00418.89
8.1.150.0040.00418.89
8.1.140.0000.00719.06
8.1.130.0040.00417.48
8.1.120.0060.00317.43
8.1.110.0030.00517.46
8.1.100.0050.00317.50
8.1.90.0040.00417.35
8.1.80.0080.00017.33
8.1.70.0040.00417.34
8.1.60.0000.00817.55
8.1.50.0030.00517.41
8.1.40.0000.00817.55
8.1.30.0000.00817.61
8.1.20.0040.00417.63
8.1.10.0050.00317.48
8.1.00.0060.00317.34
8.0.300.0000.00719.64
8.0.290.0000.00816.63
8.0.280.0070.00018.45
8.0.270.0040.00417.32
8.0.260.0000.00716.82
8.0.250.0040.00416.97
8.0.240.0030.00316.96
8.0.230.0070.00016.97
8.0.220.0030.00316.89
8.0.210.0000.00716.94
8.0.200.0000.00816.84
8.0.190.0040.00816.96
8.0.180.0040.00416.94
8.0.170.0030.00616.92
8.0.160.0000.00816.77
8.0.150.0040.00416.86
8.0.140.0040.00416.75
8.0.130.0040.00413.34
8.0.120.0000.00716.85
8.0.110.0040.00416.68
8.0.100.0040.00416.91
8.0.90.0070.00016.86
8.0.80.0060.01016.95
8.0.70.0000.00716.92
8.0.60.0040.00416.78
8.0.50.0050.00216.89
8.0.30.0070.01016.96
8.0.20.0130.00616.98
8.0.10.0040.00317.02
8.0.00.0170.00816.85
7.4.330.0020.00216.79
7.4.320.0040.00416.61
7.4.300.0000.00616.49
7.4.290.0000.00716.52
7.4.280.0040.00416.55
7.4.270.0030.00316.52
7.4.260.0040.00416.45
7.4.250.0000.00716.34
7.4.240.0040.00416.52
7.4.230.0040.00416.68
7.4.220.0030.00316.61
7.4.210.0080.00916.51
7.4.200.0030.00316.36
7.4.160.0080.01116.54
7.4.130.0210.01216.47
7.4.120.0110.00616.53
7.4.110.0060.01316.50
7.4.100.0130.01316.53
7.4.90.0110.00916.41
7.4.80.0130.00519.39
7.4.70.0190.00016.50
7.4.60.0130.00716.50
7.4.50.0090.00616.50
7.4.40.0160.00016.33
7.4.10.0070.01415.20
7.4.00.0080.00814.97
7.3.330.0020.00213.13
7.3.320.0000.00513.15
7.3.310.0000.00716.16
7.3.300.0070.00016.39
7.3.290.0040.01216.34
7.3.280.0100.00716.28
7.3.260.0110.00716.50
7.3.240.0110.00616.54
7.3.230.0070.01016.36
7.3.210.0070.01016.46
7.3.200.0170.00316.34
7.3.190.0110.01116.23
7.3.180.0020.01716.61
7.3.170.0130.00416.38
7.3.160.0060.01016.32
7.3.130.0110.00714.82
7.3.120.0040.01515.02
7.3.110.0120.00615.00
7.3.100.0090.00615.11
7.3.90.0030.01214.73
7.3.80.0030.00615.16
7.3.70.0100.00714.81
7.3.60.0040.00414.95
7.3.50.0030.00614.66
7.3.40.0110.00114.70
7.3.30.0080.00414.52
7.3.20.0060.00616.52
7.3.10.0050.00716.63
7.3.00.0100.00916.73
7.2.330.0110.00716.65
7.2.320.0140.00416.61
7.2.310.0090.00916.79
7.2.300.0090.00916.70
7.2.290.0140.01116.68
7.2.260.0030.01615.25
7.2.250.0060.00615.20
7.2.240.0030.01015.02
7.2.230.0140.00014.98
7.2.220.0030.00914.94
7.2.210.0030.00915.31
7.2.200.0060.00915.14
7.2.190.0030.00815.23
7.2.180.0040.00714.95
7.2.170.0050.01214.82
7.2.160.0080.01014.86
7.2.150.0080.00916.73
7.2.140.0110.00816.81
7.2.130.0150.00316.88
7.2.120.0050.01016.88
7.2.110.0050.01216.84
7.2.100.0090.00516.98
7.2.90.0090.00916.78
7.2.80.0080.01016.95
7.2.70.0140.00516.85
7.2.60.0100.00816.97
7.2.50.0060.01216.85
7.2.40.0080.00916.67
7.2.30.0080.00616.72
7.2.20.0070.00716.90
7.2.10.0050.01316.97
7.2.00.0050.01116.74
7.1.330.0040.00815.78
7.1.320.0130.00315.66
7.1.310.0030.00915.91
7.1.300.0080.00415.88
7.1.290.0030.00915.66
7.1.280.0070.00515.59
7.1.270.0060.01115.66
7.1.260.0060.00715.88
7.1.250.0070.00815.75
7.1.240.0060.00615.66
7.1.230.0100.00315.96
7.1.220.0070.00315.45
7.1.210.0110.00415.93
7.1.200.0090.00015.92
7.1.190.0100.00715.83
7.1.180.0070.00415.69
7.1.170.0040.01415.81
7.1.160.0060.01215.88
7.1.150.0090.00616.02
7.1.140.0040.00715.99
7.1.130.0030.00915.75
7.1.120.0030.01015.78
7.1.110.0070.01115.91
7.1.100.0040.00815.57
7.1.90.0120.00215.54
7.1.80.0030.01015.62
7.1.70.0040.01115.80
7.1.60.0090.00615.54
7.1.50.0030.00615.74
7.1.40.0030.01015.76
7.1.30.0080.00515.87
7.1.20.0030.01415.76
7.1.10.0040.01215.73
7.1.00.0100.00315.77

preferences:
184.66 ms | 403 KiB | 5 Q