3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array("test"=>"1", "test2"=>2, "test3"=>3); $needed = array("test", "test2"); foreach($a as $i => $v) { if(!in_array($i, $needed)) { unset($a[$i]); } } print_r($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)
8.3.60.0030.01716.63
8.3.50.0140.00018.18
8.3.40.0000.01418.81
8.3.30.0210.00018.65
8.3.20.0030.00620.35
8.3.10.0000.00823.66
8.3.00.0080.00019.38
8.2.180.0060.00916.75
8.2.170.0120.00322.96
8.2.160.0100.00320.53
8.2.150.0040.00425.66
8.2.140.0040.00424.66
8.2.130.0070.00317.75
8.2.120.0040.00426.35
8.2.110.0060.00322.06
8.2.100.0080.00318.28
8.2.90.0000.00819.36
8.2.80.0060.00317.97
8.2.70.0000.00917.63
8.2.60.0040.00418.05
8.2.50.0040.00418.07
8.2.40.0050.00319.46
8.2.30.0040.00420.62
8.2.20.0000.00817.76
8.2.10.0000.00818.11
8.2.00.0040.00418.17
8.1.280.0070.01025.92
8.1.270.0040.00422.08
8.1.260.0000.00728.09
8.1.250.0080.00028.09
8.1.240.0090.00021.03
8.1.230.0030.00718.97
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0030.00517.36
8.1.190.0030.00617.35
8.1.180.0040.00418.10
8.1.170.0050.00318.43
8.1.160.0000.00721.95
8.1.150.0040.00418.80
8.1.140.0000.00819.59
8.1.130.0040.00417.58
8.1.120.0040.00417.40
8.1.110.0080.00017.36
8.1.100.0000.00717.52
8.1.90.0000.00717.49
8.1.80.0030.00517.34
8.1.70.0000.00817.39
8.1.60.0000.00817.52
8.1.50.0000.00817.45
8.1.40.0050.00317.50
8.1.30.0080.00017.56
8.1.20.0050.00217.59
8.1.10.0000.00817.47
8.1.00.0040.00417.27
8.0.300.0000.00718.77
8.0.290.0070.00016.63
8.0.280.0070.00018.35
8.0.270.0030.00317.18
8.0.260.0060.00017.27
8.0.250.0060.00016.90
8.0.240.0000.00816.99
8.0.230.0000.00716.84
8.0.220.0030.00316.91
8.0.210.0040.00316.78
8.0.200.0030.00316.98
8.0.190.0030.00616.95
8.0.180.0040.00416.83
8.0.170.0040.00416.76
8.0.160.0070.00016.79
8.0.150.0030.00316.78
8.0.140.0030.00616.85
8.0.130.0030.00313.34
8.0.120.0060.00316.74
8.0.110.0070.00016.82
8.0.100.0040.00416.76
8.0.90.0000.00716.84
8.0.80.0090.01016.84
8.0.70.0030.00516.77
8.0.60.0000.00816.84
8.0.50.0040.00416.74
8.0.30.0130.00317.16
8.0.20.0090.01017.40
8.0.10.0000.00716.93
8.0.00.0110.00816.69
7.4.330.0050.00016.79
7.4.320.0000.00616.46
7.4.300.0030.00316.64
7.4.290.0000.00616.61
7.4.280.0000.00916.48
7.4.270.0030.00316.63
7.4.260.0000.00716.52
7.4.250.0070.00016.52
7.4.240.0020.00516.48
7.4.230.0030.00316.60
7.4.220.0120.01216.63
7.4.210.0110.00416.59
7.4.200.0040.00416.67
7.4.160.0060.00916.28
7.4.150.0110.00817.40
7.4.140.0090.01017.86
7.4.130.0100.00616.42
7.4.120.0100.01016.58
7.4.110.0090.00916.39
7.4.100.0130.00316.60
7.4.90.0110.00916.58
7.4.80.0110.01019.39
7.4.70.0060.00916.51
7.4.60.0060.01016.39
7.4.50.0110.00316.17
7.4.40.0060.00916.50
7.4.30.0060.01616.48
7.4.00.0110.00514.83
7.3.330.0070.00013.11
7.3.320.0050.00013.18
7.3.310.0050.00216.20
7.3.300.0000.00716.16
7.3.290.0040.01116.25
7.3.280.0100.00516.21
7.3.270.0030.01417.40
7.3.260.0130.00316.41
7.3.250.0060.01516.43
7.3.240.0120.00516.42
7.3.230.0080.01116.39
7.3.210.0150.00616.21
7.3.200.0040.01516.23
7.3.190.0030.01316.19
7.3.180.0080.00816.17
7.3.170.0090.01216.27
7.3.160.0100.00616.34
7.3.120.0040.01514.54
7.3.110.0090.00615.00
7.3.100.0030.01314.82
7.3.90.0040.00814.58
7.3.80.0120.00314.49
7.3.70.0090.00614.99
7.3.60.0070.00714.87
7.3.50.0110.00314.73
7.3.40.0070.01014.70
7.3.30.0030.00614.88
7.3.20.0030.01016.65
7.3.10.0040.00416.33
7.3.00.0040.00716.89
7.2.330.0130.01016.37
7.2.320.0060.01016.66
7.2.310.0030.01316.59
7.2.300.0070.01116.58
7.2.290.0090.00916.34
7.2.250.0060.01515.21
7.2.240.0110.00715.06
7.2.230.0040.01114.98
7.2.220.0130.00315.04
7.2.210.0070.00714.84
7.2.200.0040.01115.10
7.2.190.0060.01214.88
7.2.180.0150.00414.62
7.2.170.0030.01315.21
7.2.60.0130.00316.78
7.1.330.0120.00315.71
7.1.320.0090.00615.66
7.1.310.0120.00315.89
7.1.300.0090.00915.73
7.1.290.0090.00915.77
7.1.280.0030.00915.71
7.1.270.0030.01315.80
7.1.260.0070.00715.69
7.1.200.0000.01115.88
7.1.100.0000.01117.99
7.1.70.0000.00817.03
7.1.60.0040.01519.36
7.1.50.0200.01634.68
7.1.00.0000.08022.43
7.0.200.0000.01016.53
7.0.60.0000.04021.72
7.0.50.0070.08317.89
7.0.40.0070.08020.19
7.0.30.0270.04020.33
7.0.20.0330.05720.13
7.0.10.0070.04320.17
7.0.00.0070.07020.01
5.6.280.0030.06720.97
5.6.210.0100.06320.56
5.6.200.0100.07718.23
5.6.190.0200.05720.77
5.6.180.0200.09020.39
5.6.170.0300.07020.48
5.6.160.0000.09720.54
5.6.150.0030.06018.11
5.6.140.0070.05318.14
5.6.130.0030.04318.20
5.6.120.0070.03720.98
5.6.110.0070.05021.11
5.6.100.0170.07321.04
5.6.90.0070.08020.95
5.6.80.0070.07020.28
5.5.350.0100.04320.52
5.5.340.0170.07017.88
5.5.330.0170.03320.57
5.5.320.0370.04720.32
5.5.310.0130.04320.27
5.5.300.0070.08317.96
5.5.290.0030.08718.00
5.5.280.0030.07320.68
5.5.270.0030.07020.79
5.5.260.0130.06320.96
5.5.250.0070.08720.66
5.5.240.0170.07320.25
5.4.450.0030.07319.47
5.4.440.0030.08319.11
5.4.430.0070.07719.47
5.4.420.0030.05319.44
5.4.410.0070.04019.34
5.4.400.0030.07718.94
5.4.390.0000.04718.80
5.4.380.0130.03719.19
5.4.370.0030.05019.08
5.4.360.0070.04019.14
5.4.350.0030.07718.91
5.4.340.0100.03319.17
5.4.320.0000.04719.09
5.4.310.0030.04018.91
5.4.300.0070.07718.93
5.4.290.0000.04018.92
5.4.280.0100.07319.15
5.4.270.0100.07318.80
5.4.260.0100.05319.07
5.4.250.0100.07319.15
5.4.240.0100.03319.11
5.4.230.0130.07318.78
5.4.220.0100.04719.17
5.4.210.0070.04719.18
5.4.200.0170.05319.00
5.4.190.0070.04319.18
5.4.180.0000.06319.16
5.4.170.0070.06318.77
5.4.160.0070.06018.76
5.4.150.0170.06719.15
5.4.140.0100.07316.34
5.4.130.0070.07016.34
5.4.120.0070.07316.37
5.4.110.0030.08016.29
5.4.100.0170.05016.32
5.4.90.0100.05016.37
5.4.80.0070.03316.25
5.4.70.0100.07016.29
5.4.60.0000.07016.24
5.4.50.0000.04016.30
5.4.40.0030.08016.30
5.4.30.0070.04016.36
5.4.20.0000.04716.27
5.4.10.0030.06716.16
5.4.00.0030.05715.73
5.3.290.0070.06314.68
5.3.280.0000.07714.68
5.3.270.0000.05714.57
5.3.260.0070.07314.58
5.3.250.0100.07714.69
5.3.240.0270.05714.60
5.3.230.0100.07014.41
5.3.220.0030.05314.45
5.3.210.0100.07714.48
5.3.200.0070.07014.55
5.3.190.0100.06314.50
5.3.180.0030.04014.50
5.3.170.0070.03314.51
5.3.160.0000.05014.51
5.3.150.0070.04014.53
5.3.140.0130.06314.49
5.3.130.0030.04714.48
5.3.120.0000.05014.52
5.3.110.0000.04014.48
5.3.100.0030.05013.86
5.3.90.0100.07313.96
5.3.80.0130.04013.95
5.3.70.0000.04013.95
5.3.60.0030.04313.82
5.3.50.0030.03713.76
5.3.40.0030.03713.92
5.3.30.0000.04013.73
5.3.20.0400.02713.64
5.3.10.0070.07313.58
5.3.00.0070.05313.57
5.2.170.0000.06311.13
5.2.160.0000.04311.30
5.2.150.0070.02711.09
5.2.140.0000.03311.08
5.2.130.0100.03011.07
5.2.120.0070.05310.96
5.2.110.0100.04310.95
5.2.100.0100.03311.25
5.2.90.0000.03310.98
5.2.80.0000.06011.04
5.2.70.0030.03311.25
5.2.60.0030.05311.01
5.2.50.0100.05310.95
5.2.40.0030.04310.95
5.2.30.0030.03010.95
5.2.20.0070.02710.95
5.2.10.0070.05711.01
5.2.00.0100.05710.95
5.1.60.0030.03710.95
5.1.50.0000.03310.95
5.1.40.0000.03010.95
5.1.30.0070.02310.95
5.1.20.0000.02710.95
5.1.10.0000.04010.95
5.1.00.0100.05010.95
5.0.50.0070.02010.95
5.0.40.0000.05010.95
5.0.30.0030.06310.95
5.0.20.0070.03310.95
5.0.10.0070.03310.95
5.0.00.0100.02310.95
4.4.90.0000.03710.95
4.4.80.0030.01710.95
4.4.70.0000.03710.95
4.4.60.0000.02710.95
4.4.50.0000.02010.95
4.4.40.0030.04010.95
4.4.30.0030.03310.95
4.4.20.0000.03310.95
4.4.10.0030.03710.95
4.4.00.0030.02310.95
4.3.110.0000.02310.95
4.3.100.0070.03310.95
4.3.90.0030.03010.95
4.3.80.0030.02010.95
4.3.70.0000.01310.95
4.3.60.0030.01310.95
4.3.50.0000.01710.95
4.3.40.0030.02010.95
4.3.30.0000.01710.95
4.3.20.0000.01710.95
4.3.10.0000.01710.95
4.3.00.0000.01310.95

preferences:
66.08 ms | 400 KiB | 5 Q