3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array1 = ['code1' => 1, 'code2' => 2]; $array2 = ['code1' => 0, 'code2' => 2, 'code3' => 3]; $all_keys = array_unique(array_merge(array_keys($array1), array_keys($array2))); $output = array(); foreach ($all_keys as $code) { $output[$code] = (!empty($array2[$code]) ? $array2[$code] : 0) - (!empty($array1[$code]) ? $array1[$code] : 0); } print_r($output);

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)
8.4.120.0080.01024.03
8.4.110.0090.01119.02
8.4.100.0100.00918.81
8.4.90.0090.01222.61
8.4.80.0110.00818.77
8.4.70.0070.00417.70
8.4.60.0110.00818.85
8.4.50.0110.00922.27
8.4.40.0190.00017.95
8.4.30.0030.00619.59
8.4.20.0040.00420.78
8.4.10.0030.00617.75
8.3.250.0100.00818.74
8.3.240.0110.00716.85
8.3.230.0050.00316.57
8.3.220.0100.01018.76
8.3.210.0130.00616.85
8.3.200.0050.00416.59
8.3.190.0080.00717.10
8.3.180.0100.01016.63
8.3.170.0030.01017.06
8.3.160.0190.00020.07
8.3.150.0110.00717.11
8.3.140.0050.00316.52
8.3.130.0030.00618.28
8.3.120.0040.00418.96
8.3.110.0150.00420.94
8.3.100.0060.00316.37
8.3.90.0040.00418.31
8.3.80.0000.00918.55
8.3.70.0190.00316.63
8.3.60.0130.00918.30
8.3.50.0130.00921.27
8.3.40.0150.00618.84
8.3.30.0110.00318.59
8.3.20.0040.00420.22
8.3.10.0040.00421.83
8.3.00.0040.00419.80
8.2.290.0050.00322.09
8.2.280.0090.00922.50
8.2.270.0120.00418.78
8.2.260.0090.00918.91
8.2.250.0130.00716.99
8.2.240.0070.00018.79
8.2.230.0000.00822.58
8.2.220.0090.00024.06
8.2.210.0050.00326.77
8.2.200.0080.00516.88
8.2.190.0090.00916.66
8.2.180.0120.00318.38
8.2.170.0100.01022.96
8.2.160.0100.00719.26
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00420.46
8.2.110.0100.00020.91
8.2.100.0060.00618.03
8.2.90.0040.00418.03
8.2.80.0000.00917.97
8.2.70.0000.00817.93
8.2.60.0040.00418.16
8.2.50.0040.00418.10
8.2.40.0070.00019.48
8.2.30.0040.00419.23
8.2.20.0050.00318.11
8.2.10.0030.00518.06
8.2.00.0040.00418.29
8.1.330.0110.00721.92
8.1.320.0100.01016.16
8.1.310.0040.00418.30
8.1.300.0040.00417.72
8.1.290.0030.00618.88
8.1.280.0120.00925.92
8.1.270.0080.00023.96
8.1.260.0070.00726.35
8.1.250.0000.00728.09
8.1.240.0030.00622.65
8.1.230.0040.00722.67
8.1.220.0050.00317.80
8.1.210.0000.00818.79
8.1.200.0060.00317.22
8.1.190.0060.00317.45
8.1.180.0000.00918.10
8.1.170.0060.00318.57
8.1.160.0040.00418.80
8.1.150.0040.00420.21
8.1.140.0000.00819.45
8.1.130.0000.00718.93
8.1.120.0000.00817.50
8.1.110.0040.00417.50
8.1.100.0020.00517.48
8.1.90.0060.00317.49
8.1.80.0000.00817.35
8.1.70.0000.00817.51
8.1.60.0000.00717.48
8.1.50.0000.00717.52
8.1.40.0070.00017.51
8.1.30.0000.00717.63
8.1.20.0040.00417.61
8.1.10.0040.00417.53
8.1.00.0030.00617.52
8.0.300.0040.00421.37
8.0.290.0030.00616.63
8.0.280.0030.00318.50
8.0.270.0050.00316.84
8.0.260.0000.00818.38
8.0.250.0070.00016.84
8.0.240.0030.00316.98
8.0.230.0040.00416.93
8.0.220.0070.00016.93
8.0.210.0000.00716.88
8.0.200.0060.00016.95
8.0.190.0050.00317.01
8.0.180.0000.00816.96
8.0.170.0030.00916.80
8.0.160.0040.00416.79
8.0.150.0030.00516.86
8.0.140.0000.00816.86
8.0.130.0060.00013.32
8.0.120.0000.00716.84
8.0.110.0040.00416.84
8.0.100.0050.00216.96
8.0.90.0030.00417.02
8.0.80.0120.00316.89
8.0.70.0050.00516.88
8.0.60.0000.00716.93
8.0.50.0080.00016.76
8.0.30.0090.01116.92
8.0.20.0090.01117.40
8.0.10.0050.00217.08
8.0.00.0090.00916.72
7.4.330.0000.00615.55
7.4.320.0030.00316.53
7.4.300.0000.00616.36
7.4.290.0040.00416.60
7.4.280.0000.00916.45
7.4.270.0040.00416.61
7.4.260.0030.00316.39
7.4.250.0070.00016.56
7.4.240.0030.00316.61
7.4.230.0070.00016.61
7.4.220.0140.00416.46
7.4.210.0090.00916.49
7.4.200.0080.00016.49
7.4.160.0070.00916.53
7.4.150.0030.01317.40
7.4.140.0110.01017.86
7.4.130.0150.00316.46
7.4.120.0120.01116.50
7.4.110.0150.00416.55
7.4.100.0120.00916.46
7.4.90.0100.00716.44
7.4.80.0130.01019.39
7.4.70.0110.01116.59
7.4.60.0130.00316.57
7.4.50.0040.01116.32
7.4.40.0090.01216.66
7.4.30.0130.00316.48
7.4.00.0030.01514.90
7.3.330.0050.00013.23
7.3.320.0030.00313.22
7.3.310.0070.00016.29
7.3.300.0030.00316.32
7.3.290.0070.00716.32
7.3.280.0090.00816.32
7.3.270.0000.01717.40
7.3.260.0080.01016.36
7.3.240.0090.00816.32
7.3.230.0090.00916.44
7.3.210.0160.00616.34
7.3.200.0060.01216.46
7.3.190.0130.00916.48
7.3.180.0000.01616.33
7.3.170.0030.01316.55
7.3.160.0100.00616.66
7.3.10.0090.00316.60
7.3.00.0000.00916.76
7.2.330.0130.00316.73
7.2.320.0100.00616.29
7.2.310.0060.01016.73
7.2.300.0080.00816.78
7.2.290.0040.01516.63
7.2.130.0000.01116.73
7.2.120.0040.00816.99
7.2.110.0100.00316.99
7.2.100.0000.00816.83
7.2.90.0060.00616.91
7.2.80.0080.00416.91
7.2.70.0080.00416.91
7.2.60.0150.00616.81
7.2.50.0160.00716.77
7.2.40.0030.00917.06
7.2.30.0110.00017.02
7.2.20.0060.00316.90
7.2.10.0110.00316.90
7.2.00.0060.00616.97
7.1.250.0030.00715.63
7.1.200.0030.01015.55
7.1.70.0100.00017.19
7.1.60.0080.00417.28
7.1.40.2070.02032.66
7.1.30.2330.01332.51
7.1.20.2170.01732.57
7.1.10.1170.01314.85
7.1.00.2070.01014.69
7.0.200.0070.01016.47
7.0.180.1700.01014.39
7.0.170.3200.00314.16
7.0.160.1370.01314.38
7.0.150.1330.01714.53
7.0.140.1400.01314.61
7.0.130.1430.00714.73
7.0.120.1370.01014.73
7.0.110.1230.01314.15
7.0.100.1530.01714.45
7.0.90.1400.01014.36
7.0.80.2000.01314.18
7.0.70.1300.01714.38
7.0.60.1870.00713.99
7.0.50.1170.00714.42
7.0.40.1700.01314.71
7.0.30.1200.00714.71
7.0.20.2230.01714.47
7.0.10.1200.01314.44
7.0.00.1300.00714.68

preferences:
30.65 ms | 403 KiB | 5 Q