3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a1 = [ 'a' => 1, 'b' => 2, 'c' => 3, 'd' => 4 ]; $a2 = [ 'b', 'c', ]; var_dump(array_diff_key($a1, $a2));

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)
8.3.60.0110.01116.50
8.3.50.0120.01018.09
8.3.40.0060.01018.57
8.3.30.0090.00618.59
8.3.20.0050.00318.62
8.3.10.0050.00520.36
8.3.00.0080.00019.26
8.2.180.0080.00816.38
8.2.170.0120.00322.96
8.2.160.0080.00818.82
8.2.150.0000.00724.18
8.2.140.0030.00524.66
8.2.130.0040.00426.16
8.2.120.0030.00620.42
8.2.110.0100.00020.95
8.2.100.0080.00417.78
8.2.90.0060.00319.30
8.2.80.0030.00619.28
8.2.70.0000.00817.38
8.2.60.0040.00417.93
8.2.50.0000.00818.07
8.2.40.0030.00617.94
8.2.30.0040.00417.96
8.2.20.0060.00317.54
8.2.10.0070.00017.51
8.2.00.0000.00817.54
8.1.280.0090.00625.92
8.1.270.0030.00523.99
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0090.00022.33
8.1.230.0060.00620.83
8.1.220.0030.00517.74
8.1.210.0030.00618.77
8.1.200.0030.00617.25
8.1.190.0000.00717.28
8.1.180.0040.00418.10
8.1.170.0040.00418.97
8.1.160.0080.00018.73
8.1.150.0070.00318.49
8.1.140.0000.00817.41
8.1.130.0030.00317.68
8.1.120.0000.00717.45
8.1.110.0040.00417.33
8.1.100.0070.00017.39
8.1.90.0070.00017.35
8.1.80.0050.00217.42
8.1.70.0080.00017.35
8.1.60.0050.00317.50
8.1.50.0040.00417.31
8.1.40.0040.00417.38
8.1.30.0040.00417.44
8.1.20.0040.00417.47
8.1.10.0000.00717.32
8.1.00.0040.00417.37
8.0.300.0040.00420.03
8.0.290.0040.00416.58
8.0.280.0000.00718.38
8.0.270.0000.00717.09
8.0.260.0080.00016.74
8.0.250.0070.00016.81
8.0.240.0030.00316.83
8.0.230.0000.00716.79
8.0.220.0030.00316.84
8.0.210.0080.00016.70
8.0.200.0070.00016.91
8.0.190.0030.00416.88
8.0.180.0040.00416.87
8.0.170.0060.00316.64
8.0.160.0030.00316.85
8.0.150.0080.00016.74
8.0.140.0030.00516.74
8.0.130.0030.00313.28
8.0.120.0040.00416.80
8.0.110.0070.00016.88
8.0.100.0040.00416.88
8.0.90.0030.00316.84
8.0.80.0130.00316.83
8.0.70.0080.00016.70
8.0.60.0050.00316.63
8.0.50.0040.00416.68
8.0.30.0150.00717.04
8.0.20.0110.01116.97
8.0.10.0030.00416.88
8.0.00.0120.01016.66
7.4.330.0030.00312.97
7.4.320.0030.00316.34
7.4.300.0030.00316.36
7.4.290.0070.00016.54
7.4.280.0050.00516.41
7.4.270.0000.00716.53
7.4.260.0000.00513.12
7.4.250.0040.00416.55
7.4.240.0060.00016.41
7.4.230.0040.00416.50
7.4.220.0100.00716.61
7.4.210.0040.01316.63
7.4.200.0040.00416.60
7.4.190.0070.00016.57
7.4.160.0060.00916.37
7.4.150.0030.01616.37
7.4.140.0090.00916.37
7.4.130.0090.00916.33
7.4.120.0140.00316.38
7.4.110.0080.01516.40
7.4.100.0080.00816.28
7.4.90.0030.01416.47
7.4.80.0120.01216.43
7.4.70.0100.00616.20
7.4.60.0100.00716.21
7.4.50.0000.00816.12
7.4.40.0100.00516.24
7.4.30.0110.00516.21
7.4.00.0000.01415.02
7.3.330.0000.00612.87
7.3.320.0030.00312.95
7.3.310.0070.00016.27
7.3.300.0060.00016.16
7.3.290.0080.00616.13
7.3.280.0080.00816.13
7.3.270.0090.00916.32
7.3.260.0070.01216.18
7.3.250.0090.01116.27
7.3.240.0030.01216.19
7.3.230.0120.00916.32
7.3.210.0040.01616.31
7.3.200.0190.00219.39
7.3.190.0060.00916.26
7.3.180.0090.00616.21
7.3.170.0150.00316.38
7.3.160.0060.00916.32
7.3.120.0030.01414.68
7.3.00.0030.00816.52
7.2.330.0120.00916.09
7.2.320.0060.01216.26
7.2.310.0060.01216.17
7.2.300.0180.00316.49
7.2.290.0080.00816.19
7.2.130.0000.01216.53
7.2.120.0000.01816.83
7.2.110.0030.00916.69
7.2.100.0100.00316.52
7.2.90.0030.00716.47
7.2.80.0070.00716.85
7.2.70.0030.01016.16
7.2.60.0000.01416.43
7.2.50.0100.00316.61
7.2.40.0030.01016.70
7.2.30.0050.00516.68
7.2.20.0030.00616.76
7.2.10.0000.01216.71
7.2.00.0050.00617.83
7.1.250.0050.00515.93
7.1.240.0030.00815.73
7.1.230.0000.01015.69
7.1.220.0030.00715.34
7.1.210.0030.00715.74
7.1.200.0070.00315.78
7.1.190.0030.00715.59
7.1.180.0100.00315.70
7.1.170.0040.00415.84
7.1.160.0030.00715.70
7.1.150.0070.00315.73
7.1.140.0090.00415.45
7.1.130.0000.00915.48
7.1.120.0000.01215.68
7.1.110.0000.00815.79
7.1.100.0070.00517.08
7.1.90.0040.00815.85
7.1.80.0100.00315.78
7.1.70.0000.00816.41
7.1.60.0030.01217.52
7.1.50.0070.00516.09
7.1.40.0000.00815.40
7.1.30.0000.00915.52
7.1.20.0000.01215.57
7.1.10.0000.01115.75
7.1.00.0060.02819.06
7.0.330.0030.00715.30
7.0.320.0030.00915.46
7.0.310.0050.00815.43
7.0.300.0070.00315.18
7.0.290.0030.00615.26
7.0.280.0070.00315.00
7.0.270.0070.00315.32
7.0.260.0040.00715.38
7.0.250.0030.00615.42
7.0.240.0060.00315.17
7.0.230.0000.01115.09
7.0.220.0050.00515.15
7.0.210.0040.00715.55
7.0.200.0020.00716.08
7.0.190.0070.00715.38
7.0.180.0090.00315.40
7.0.170.0060.00315.44
7.0.160.0070.00315.53
7.0.150.0000.00715.36
7.0.140.0050.04018.64
7.0.130.0040.00415.15
7.0.120.0030.04318.81
7.0.110.0030.00915.23
7.0.100.0070.00415.36
7.0.90.0070.00315.45
7.0.80.0030.00615.21
7.0.70.0000.01015.40
7.0.60.0070.04317.56
7.0.50.0080.03216.74
7.0.40.0090.04215.59
7.0.30.0070.04515.55
7.0.20.0020.04015.51
7.0.10.0070.03315.54
7.0.00.0050.03115.59
5.6.380.0030.00714.37
5.6.370.0020.00614.20
5.6.360.0040.00814.22
5.6.350.0000.01014.00
5.6.340.0000.00914.19
5.6.330.0040.00414.00
5.6.320.0040.00814.05
5.6.310.0000.01213.85
5.6.300.0080.00314.27
5.6.290.0030.00814.39
5.6.280.0060.03817.36
5.6.270.0000.01014.25
5.6.260.0070.00314.28
5.6.250.0040.00814.24
5.6.240.0070.00314.01
5.6.230.0060.00614.06
5.6.220.0070.00714.05
5.6.210.0070.04717.45
5.6.200.0030.02416.09
5.6.190.0050.03616.21
5.6.180.0110.03816.33
5.6.170.0100.03216.16
5.6.160.0090.04216.15
5.6.150.0050.02316.20
5.6.140.0180.03416.21
5.6.130.0110.03816.12
5.6.120.0110.03816.24
5.6.110.0020.05016.24
5.6.100.0090.03316.32
5.6.90.0030.05016.15
5.6.80.0090.02115.88
5.6.70.0050.04515.90
5.6.60.0120.02815.85
5.6.50.0080.03815.90
5.6.40.0120.03715.77
5.6.30.0030.04415.83
5.6.20.0000.04815.96
5.6.10.0070.04215.96
5.6.00.0030.03315.84
5.5.380.0030.00611.06
5.5.370.0060.00011.16
5.5.360.0000.00911.34
5.5.350.0020.02215.66
5.5.340.0120.03814.43
5.5.330.0030.03814.45
5.5.320.0040.03014.53
5.5.310.0040.03014.51
5.5.300.0050.04214.44
5.5.290.0100.03314.51
5.5.280.0090.03814.42
5.5.270.0060.04114.45
5.5.260.0060.02814.58
5.5.250.0070.03814.30
5.5.240.0060.04014.11
5.5.230.0120.02714.15
5.5.220.0070.03914.10
5.5.210.0070.03714.15
5.5.200.0030.03414.10
5.5.190.0040.03214.13
5.5.180.0050.04114.10
5.5.170.0000.00710.90
5.5.160.0040.03014.07
5.5.150.0000.04014.13
5.5.140.0030.04014.17
5.5.130.0030.02114.10
5.5.120.0060.04314.08
5.5.110.0070.04114.13
5.5.100.0030.04414.07
5.5.90.0130.03214.02
5.5.80.0080.03814.13
5.5.70.0080.04014.07
5.5.60.0070.04014.03
5.5.50.0020.04114.08
5.5.40.0080.03614.11
5.5.30.0000.03714.07
5.5.20.0050.04314.10
5.5.10.0070.03314.08
5.5.00.0080.04014.02
5.4.450.0050.04415.13
5.4.440.0080.04315.19
5.4.430.0070.03515.19
5.4.420.0080.03215.18
5.4.410.0080.04015.06
5.4.400.0080.02714.90
5.4.390.0030.03914.86
5.4.380.0060.02814.95
5.4.370.0060.03014.92
5.4.360.0090.03514.93
5.4.350.0110.02815.07
5.4.340.0050.04014.94
5.4.330.0000.00610.90
5.4.320.0070.04014.97
5.4.310.0070.04215.02
5.4.300.0030.02315.03
5.4.290.0070.01814.96
5.4.280.0050.02014.97
5.4.270.0030.04314.92
5.4.260.0070.04015.00
5.4.250.0050.04215.03
5.4.240.0060.02414.98
5.4.230.0050.02715.01
5.4.220.0100.03315.00
5.4.210.0080.03514.94
5.4.200.0060.04014.96
5.4.190.0090.03514.96
5.4.180.0070.03514.99
5.4.170.0080.03715.01
5.4.160.0100.03714.88
5.4.150.0100.03514.99
5.4.140.0070.02613.58
5.4.130.0060.04113.69
5.4.120.0100.03213.54
5.4.110.0030.02513.63
5.4.100.0070.01813.64
5.4.90.0030.03813.60
5.4.80.0070.02513.57
5.4.70.0090.03013.61
5.4.60.0100.03313.63
5.4.50.0030.03613.63
5.4.40.0060.04313.59
5.4.30.0050.04013.68
5.4.20.0060.02813.62
5.4.10.0030.03713.65
5.4.00.0060.04013.30
5.3.290.0070.03212.77
5.3.280.0040.02312.64
5.3.270.0040.03212.73
5.3.260.0080.04012.71
5.3.250.0090.03912.73
5.3.240.0100.03712.71
5.3.230.0070.03712.73
5.3.220.0050.04312.70
5.3.210.0030.03712.72
5.3.200.0030.03212.73
5.3.190.0070.02512.71
5.3.180.0030.04112.71
5.3.170.0030.03312.70
5.3.160.0050.03612.77
5.3.150.0050.03112.72
5.3.140.0050.04012.65
5.3.130.0010.04112.76
5.3.120.0020.04212.71
5.3.110.0080.03512.69
5.3.100.0070.04012.42
5.3.90.0080.03512.44
5.3.80.0030.02812.45
5.3.70.0030.03012.34
5.3.60.0050.03512.32
5.3.50.0080.03212.38
5.3.40.0030.03512.39
5.3.30.0080.03312.39
5.3.20.0050.02812.23
5.3.10.0050.02012.25
5.3.00.0030.02212.23
5.2.170.0030.03310.98
5.2.160.0030.02711.01
5.2.150.0050.02510.98
5.2.140.0050.03010.97
5.2.130.0030.03610.97
5.2.120.0020.02311.07
5.2.110.0000.03510.92
5.2.100.0030.03310.96
5.2.90.0050.03211.01
5.2.80.0060.02110.88
5.2.70.0020.01711.01
5.2.60.0030.03310.95
5.2.50.0070.02210.93
5.2.40.0010.03511.02
5.2.30.0020.03010.90
5.2.20.0050.03210.92
5.2.10.0050.03110.88
5.2.00.0030.02610.83
5.1.60.0030.01810.44
5.1.50.0040.02510.41
5.1.40.0060.02610.45
5.1.30.0030.02310.56
5.1.20.0060.02510.63
5.1.10.0050.02810.50
5.1.00.0000.02110.48
5.0.50.0030.0119.63
5.0.40.0010.0119.67
5.0.30.0060.0309.52
5.0.20.0030.0219.50
5.0.10.0020.0199.58
5.0.00.0050.0289.63
4.4.90.0020.0119.42
4.4.80.0010.0119.42
4.4.70.0030.0159.42
4.4.60.0030.0119.42
4.4.50.0020.0089.42
4.4.40.0040.0279.42
4.4.30.0000.0169.42
4.4.20.0000.0129.42
4.4.10.0020.0109.42
4.4.00.0000.0169.42
4.3.110.0020.0099.42
4.3.100.0000.0229.42
4.3.90.0030.0139.42
4.3.80.0020.0279.42
4.3.70.0040.0129.42
4.3.60.0020.0129.42
4.3.50.0030.0179.42
4.3.40.0020.0279.42
4.3.30.0020.0179.42
4.3.20.0000.0159.42
4.3.10.0000.0159.42
4.3.00.0000.0129.42

preferences:
46.9 ms | 401 KiB | 5 Q