3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array_diff_keys(array('key1' => 'value1', 'key2' => 'value2'), array('key3' => 'value3', 'key2' => 'value4')); var_dump($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)
8.3.40.0170.00318.83
8.3.30.0090.00618.79
8.3.20.0040.00418.60
8.3.10.0060.00320.52
8.3.00.0080.00017.38
8.2.170.0100.01022.96
8.2.160.0100.00322.12
8.2.150.0060.00324.18
8.2.140.0050.00324.66
8.2.130.0070.00026.16
8.2.120.0060.00319.64
8.2.110.0130.01020.55
8.2.100.0120.00017.71
8.2.90.0080.00017.97
8.2.80.0040.00417.97
8.2.70.0000.00817.50
8.2.60.0000.00817.80
8.2.50.0000.00818.07
8.2.40.0000.00718.22
8.2.30.0040.00418.07
8.2.20.0040.00417.55
8.2.10.0050.00317.73
8.2.00.0040.00417.55
8.1.270.0030.00523.99
8.1.260.0120.00626.35
8.1.250.0040.00428.09
8.1.240.0090.00023.92
8.1.230.0070.00320.97
8.1.220.0000.00817.74
8.1.210.0040.00518.77
8.1.200.0030.00617.23
8.1.190.0040.00417.39
8.1.180.0030.00518.10
8.1.170.0000.00818.75
8.1.160.0050.00318.77
8.1.150.0070.00018.52
8.1.140.0040.00417.38
8.1.130.0000.00717.76
8.1.120.0050.00217.25
8.1.110.0000.00717.31
8.1.100.0070.00017.38
8.1.90.0040.00417.38
8.1.80.0050.00317.21
8.1.70.0000.00817.31
8.1.60.0040.00417.52
8.1.50.0040.00417.32
8.1.40.0070.00017.36
8.1.30.0030.00617.41
8.1.20.0040.00417.63
8.1.10.0080.00017.44
8.1.00.0000.00717.41
8.0.300.0070.00019.95
8.0.290.0070.00416.63
8.0.280.0000.00718.42
8.0.270.0030.00317.19
8.0.260.0070.00016.74
8.0.250.0040.00416.83
8.0.240.0030.00716.93
8.0.230.0000.00716.96
8.0.220.0000.00716.78
8.0.210.0030.00316.90
8.0.200.0000.00716.85
8.0.190.0050.00216.83
8.0.180.0040.00416.90
8.0.170.0040.00416.92
8.0.160.0000.00817.02
8.0.150.0040.00416.79
8.0.140.0030.00416.84
8.0.130.0060.00013.39
8.0.120.0030.00516.86
8.0.110.0070.00016.86
8.0.100.0070.00016.68
8.0.90.0000.00816.89
8.0.80.0060.01116.93
8.0.70.0080.00016.89
8.0.60.0030.00517.01
8.0.50.0000.00716.75
8.0.30.0140.00817.06
8.0.20.0130.00817.18
8.0.10.0040.00416.95
8.0.00.0110.00816.70
7.4.330.0030.00314.71
7.4.320.0000.00616.38
7.4.300.0000.00716.36
7.4.290.0020.00516.50
7.4.280.0040.00416.35
7.4.270.0030.00316.55
7.4.260.0030.00313.23
7.4.250.0080.00016.51
7.4.240.0040.00416.49
7.4.230.0030.00316.55
7.4.220.0050.02016.57
7.4.210.0150.00216.50
7.4.200.0040.00416.47
7.4.190.0030.00316.43
7.4.160.0080.00816.63
7.4.150.0090.00917.18
7.4.140.0090.00817.17
7.4.130.0150.00516.46
7.4.120.0080.00816.36
7.4.110.0080.00816.34
7.4.100.0140.00516.41
7.4.90.0080.00816.37
7.4.80.0110.00918.80
7.4.70.0110.01216.37
7.4.60.0070.01116.36
7.4.50.0000.00816.42
7.4.40.0080.01122.27
7.4.30.0080.00816.49
7.4.00.0030.01314.70
7.3.330.0050.00013.11
7.3.320.0030.00313.11
7.3.310.0030.00316.34
7.3.300.0030.00316.25
7.3.290.0130.00616.21
7.3.280.0100.00916.24
7.3.270.0140.00317.18
7.3.260.0110.01018.24
7.3.250.0060.01516.27
7.3.240.0120.00916.45
7.3.230.0130.00616.39
7.3.210.0100.00616.66
7.3.200.0080.01119.39
7.3.190.0070.01016.51
7.3.180.0090.00616.60
7.3.170.0120.00416.27
7.3.160.0000.01716.34
7.3.120.0070.01014.62
7.3.110.0050.01214.78
7.3.100.0050.00814.71
7.3.90.0020.01314.73
7.3.80.0060.00514.81
7.3.70.0040.00614.80
7.3.60.0070.00514.68
7.3.50.0100.00014.62
7.3.40.0050.00714.78
7.3.30.0110.00314.76
7.3.20.0050.00916.53
7.3.10.0050.01116.54
7.3.00.0030.01016.45
7.2.330.0100.01016.23
7.2.320.0170.00516.44
7.2.310.0100.01416.51
7.2.300.0060.01616.62
7.2.290.0080.00816.55
7.2.250.0070.01314.97
7.2.240.0140.00514.95
7.2.230.0060.00814.97
7.2.220.0040.00814.99
7.2.210.0050.00814.77
7.2.200.0050.00915.03
7.2.190.0040.01014.78
7.2.180.0060.00714.90
7.2.170.0090.00514.98
7.2.160.0020.00815.02
7.2.150.0020.01316.79
7.2.140.0060.00616.74
7.2.130.0030.01116.57
7.2.120.0070.00816.81
7.2.110.0010.01416.67
7.2.100.0060.00616.74
7.2.90.0110.00516.73
7.2.80.0100.00516.74
7.2.70.0130.00316.74
7.2.60.0070.00716.79
7.2.50.0020.00816.71
7.2.40.0110.00516.85
7.2.30.0010.01116.55
7.2.20.0040.00916.72
7.2.10.0070.00916.84
7.2.00.0050.01217.68
7.1.330.0060.01015.56
7.1.320.0080.00515.38
7.1.310.0040.01115.65
7.1.300.0070.00315.64
7.1.290.0060.00515.56
7.1.280.0030.00815.60
7.1.270.0050.00915.42
7.1.260.0090.00515.54
7.1.250.0060.00615.50
7.1.200.0030.01015.66
7.1.100.0000.01117.64
7.1.70.0000.01016.71
7.1.60.0130.00319.40
7.1.50.0040.00716.95
7.1.00.0030.07722.44
7.0.200.0000.00816.65
7.0.140.0070.07021.95
7.0.60.0030.05719.99
7.0.50.0100.03317.80
7.0.40.0100.08020.05
7.0.30.0230.07720.18
7.0.20.0200.07720.02
7.0.10.0200.08720.18
7.0.00.0030.04020.00
5.6.280.0130.06320.91
5.6.210.0030.08320.54
5.6.200.0300.04018.22
5.6.190.0100.06720.43
5.6.180.0330.07720.41
5.6.170.0170.05020.61
5.6.160.0030.05320.40
5.6.150.0030.07718.16
5.6.140.0130.06718.19
5.6.130.0030.07018.11
5.6.120.0130.07021.01
5.6.110.0070.06321.00
5.6.100.0070.06021.10
5.6.90.0030.08320.96
5.6.80.0030.05720.41
5.6.70.3400.04320.38
5.5.350.0370.06720.30
5.5.340.0100.07018.00
5.5.330.0100.04020.30
5.5.320.0170.05320.13
5.5.310.0370.07020.31
5.5.300.0070.04317.98
5.5.290.0100.07317.92
5.5.280.0100.08020.83
5.5.270.0100.06320.73
5.5.260.0100.08320.79
5.5.250.0100.07020.57
5.5.240.0000.08320.06
5.4.450.0070.03719.24
5.4.440.0030.04019.52
5.4.430.0070.04719.42
5.4.420.0100.07319.32
5.4.410.0000.04019.35
5.4.400.0070.04019.08
5.4.390.0170.03319.09
5.4.380.0070.03319.08
5.4.370.0070.04319.02
5.4.360.0030.04018.79
5.4.350.0030.03718.92
5.4.340.0030.03719.18
5.4.320.0070.03319.18
5.4.310.0070.03319.18
5.4.300.0100.03018.78
5.4.290.0070.03319.07
5.4.280.0100.03019.17
5.4.270.0030.03719.07
5.4.260.0030.03718.80
5.4.250.0030.03718.99
5.4.240.0000.05019.13
5.4.230.0070.06318.78
5.4.220.0030.05319.17
5.4.210.0070.05019.11
5.4.200.0130.06719.16
5.4.190.0100.05018.78
5.4.180.0130.07019.12
5.4.170.0070.07319.17
5.4.160.0070.05719.16
5.4.150.0070.05019.13
5.4.140.0100.06716.33
5.4.130.0070.03716.47
5.4.120.0030.08316.16
5.4.110.0030.04016.32
5.4.100.0130.06716.32
5.4.90.0030.07716.32
5.4.80.0030.03716.31
5.4.70.0030.05016.59
5.4.60.0130.06716.25
5.4.50.0100.04316.20
5.4.40.0000.04316.23
5.4.30.0000.05716.21
5.4.20.0030.05316.21
5.4.10.0000.04316.25
5.4.00.0070.04315.81
5.3.290.0070.03314.63
5.3.280.0070.07314.51
5.3.270.0130.04014.69
5.3.260.0070.06314.54
5.3.250.0070.03714.54
5.3.240.0100.05314.56
5.3.230.0100.08014.61
5.3.220.0070.06014.52
5.3.210.0100.04014.52
5.3.200.0100.07014.52
5.3.190.0070.07014.44
5.3.180.0100.07314.49
5.3.170.0070.03314.35
5.3.160.0070.05014.65
5.3.150.0100.07014.35
5.3.140.0070.04014.64
5.3.130.0030.04314.47
5.3.120.0070.07714.50
5.3.110.0070.07714.56
5.3.100.0030.08014.05
5.3.90.0030.07313.94
5.3.80.0070.06013.98
5.3.70.0030.04713.96
5.3.60.0100.03714.00
5.3.50.0030.03713.88
5.3.40.0100.07014.04
5.3.30.0070.04713.72
5.3.20.0100.05313.63
5.3.10.0070.06013.49
5.3.00.0100.06313.65
5.2.170.0030.05011.13
5.2.160.0000.05011.02
5.2.150.0130.05311.12
5.2.140.0070.06310.98
5.2.130.0030.06711.03
5.2.120.0000.06311.09
5.2.110.0130.04711.10
5.2.100.0030.03010.98
5.2.90.0070.02711.08
5.2.80.0030.03010.90
5.2.70.0070.03311.02
5.2.60.0130.04011.01
5.2.50.0030.04710.95
5.2.40.0000.03710.97
5.2.30.0030.03010.95
5.2.20.0030.04710.87
5.2.10.0130.05310.85
5.2.00.0030.04310.77
5.1.60.0030.02710.08
5.1.50.0000.0279.97
5.1.40.0070.05010.04
5.1.30.0030.02710.41
5.1.20.0030.05710.34
5.1.10.0070.0239.90
5.1.00.0130.0439.96
5.0.50.0070.0478.55
5.0.40.0030.0208.38
5.0.30.0030.0608.36
5.0.20.0070.0238.24
5.0.10.0070.0438.16
5.0.00.0070.0578.15
4.4.90.0000.0277.63
4.4.80.0030.0307.63
4.4.70.0000.0307.63
4.4.60.0000.0277.63
4.4.50.0030.0177.63
4.4.40.0000.0277.63
4.4.30.0000.0377.63
4.4.20.0070.0137.63
4.4.10.0000.0337.63
4.4.00.0030.0277.63
4.3.110.0070.0337.63
4.3.100.0000.0237.63
4.3.90.0030.0307.63
4.3.80.0030.0507.63
4.3.70.0000.0237.63
4.3.60.0030.0307.63
4.3.50.0030.0377.63
4.3.40.0030.0337.63
4.3.30.0000.0207.63
4.3.20.0000.0207.63
4.3.10.0000.0377.63
4.3.00.0000.0337.63

preferences:
34.21 ms | 400 KiB | 5 Q