3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array_diff_key(array('key1' => 'value1', 'key2' => 'value2'), array('key3' => 'value3', 'key2' => 'value4')); var_dump($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)
8.3.60.0130.01016.63
8.3.50.0080.01022.04
8.3.40.0140.00318.89
8.3.30.0070.01018.97
8.3.20.0070.00020.34
8.3.10.0100.00723.68
8.3.00.0060.00319.25
8.2.180.0070.00718.04
8.2.170.0070.01422.96
8.2.160.0120.00320.53
8.2.150.0060.00924.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00422.21
8.2.110.0040.00422.11
8.2.100.0050.00517.78
8.2.90.0030.00519.21
8.2.80.0060.00317.97
8.2.70.0050.00317.38
8.2.60.0040.00418.04
8.2.50.0040.00418.07
8.2.40.0040.00418.16
8.2.30.0000.00817.87
8.2.20.0030.00617.57
8.2.10.0000.00717.86
8.2.00.0050.00317.68
8.1.280.0150.00425.92
8.1.270.0050.00523.79
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0090.00023.73
8.1.230.0040.00819.22
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0000.00717.41
8.1.180.0030.00518.10
8.1.170.0030.00518.50
8.1.160.0000.00721.91
8.1.150.0000.00718.44
8.1.140.0040.00417.27
8.1.130.0030.00317.82
8.1.120.0000.00717.40
8.1.110.0030.00517.38
8.1.100.0040.00417.39
8.1.90.0050.00317.36
8.1.80.0030.00317.38
8.1.70.0030.00317.36
8.1.60.0040.00417.48
8.1.50.0080.00017.38
8.1.40.0050.00317.37
8.1.30.0000.00817.46
8.1.20.0040.00417.57
8.1.10.0040.00417.33
8.1.00.0080.00017.45
8.0.300.0060.00318.77
8.0.290.0000.00717.05
8.0.280.0070.00018.28
8.0.270.0070.00017.20
8.0.260.0030.00316.73
8.0.250.0030.00316.76
8.0.240.0080.00016.91
8.0.230.0050.00216.95
8.0.220.0070.00016.72
8.0.210.0070.00016.89
8.0.200.0000.00716.85
8.0.190.0000.00716.87
8.0.180.0070.00016.83
8.0.170.0030.00516.74
8.0.160.0000.00716.76
8.0.150.0040.00416.65
8.0.140.0000.00816.68
8.0.130.0030.00313.31
8.0.120.0040.00416.69
8.0.110.0040.00416.80
8.0.100.0040.00416.88
8.0.90.0000.00716.62
8.0.80.0060.00916.78
8.0.70.0030.00616.79
8.0.60.0050.00216.72
8.0.50.0050.00316.89
8.0.30.0120.00817.04
8.0.20.0110.00717.40
8.0.10.0030.00516.89
8.0.00.0170.01116.55
7.4.330.0050.00015.00
7.4.320.0030.00316.53
7.4.300.0030.00316.49
7.4.290.0000.00716.50
7.4.280.0030.00316.43
7.4.270.0000.00616.52
7.4.260.0040.00416.43
7.4.250.0030.00516.50
7.4.240.0030.00516.55
7.4.230.0050.00216.51
7.4.220.0090.00916.60
7.4.210.0080.00816.47
7.4.200.0030.00316.57
7.4.190.0000.00816.65
7.4.160.0120.00316.34
7.4.150.0170.00517.40
7.4.140.0140.00817.86
7.4.130.0040.01216.41
7.4.120.0080.01116.43
7.4.110.0070.01016.32
7.4.100.0120.00616.25
7.4.90.0070.01016.53
7.4.80.0100.01019.39
7.4.70.0060.01016.38
7.4.60.0100.00916.52
7.4.50.0040.00416.43
7.4.40.0030.00922.77
7.4.30.0080.00816.52
7.4.00.0060.01014.97
7.3.330.0050.00013.07
7.3.320.0000.00512.98
7.3.310.0020.00516.07
7.3.300.0000.00716.12
7.3.290.0130.00716.08
7.3.280.0120.00916.13
7.3.270.0100.01017.40
7.3.260.0030.01716.17
7.3.250.0080.00816.13
7.3.240.0140.00316.46
7.3.230.0210.01216.39
7.3.210.0110.00616.11
7.3.200.0110.00719.39
7.3.190.0150.00416.29
7.3.180.0160.00016.05
7.3.170.0060.01516.38
7.3.160.0060.01216.16
7.3.120.0060.00814.48
7.3.110.0000.01814.80
7.3.100.0060.00614.67
7.3.90.0100.00614.94
7.3.80.0040.01215.01
7.3.70.0070.00414.75
7.3.60.0030.00914.54
7.3.50.0070.00714.56
7.3.40.0070.00714.49
7.3.30.0140.00014.57
7.3.20.0040.00816.28
7.3.10.0050.00916.45
7.3.00.0080.00616.39
7.2.330.0040.01316.35
7.2.320.0100.00616.37
7.2.310.0080.01316.55
7.2.300.0070.01516.59
7.2.290.0090.01516.27
7.2.250.0140.00314.98
7.2.240.0060.00914.95
7.2.230.0070.00714.52
7.2.220.0050.00515.01
7.2.210.0070.00714.68
7.2.200.0100.01014.87
7.2.190.0000.01814.62
7.2.180.0090.00414.98
7.2.170.0060.00614.98
7.2.130.0100.00316.86
7.2.120.0040.01116.66
7.2.110.0030.01316.45
7.2.100.0060.00916.95
7.2.90.0040.01116.89
7.2.80.0120.00616.97
7.2.70.0070.00716.52
7.2.60.0120.00616.93
7.2.50.0000.01316.66
7.2.40.0040.00716.70
7.2.30.0130.00316.83
7.2.20.0080.00416.81
7.2.10.0070.01116.73
7.2.00.0050.00617.81
7.1.330.0130.00015.44
7.1.320.0030.01215.85
7.1.310.0000.01215.75
7.1.300.0000.01415.70
7.1.290.0040.00815.61
7.1.280.0070.00715.46
7.1.270.0050.00315.74
7.1.260.0100.00715.71
7.1.250.0080.00015.47
7.1.100.0060.00618.10
7.1.70.0040.01117.13
7.1.60.0100.01319.33
7.1.50.0040.01516.93
7.1.00.0070.06722.44
7.0.200.0070.00016.63
7.0.140.0030.07022.09
7.0.60.0030.04019.82
7.0.50.0100.04717.90
7.0.40.0030.08720.04
7.0.30.0230.08020.09
7.0.20.0200.04020.04
7.0.10.0100.06720.04
7.0.00.0070.07020.16
5.6.280.0030.07021.03
5.6.210.0030.04320.73
5.6.200.0070.03718.24
5.6.190.0030.08320.67
5.6.180.0300.04320.54
5.6.170.0170.04020.44
5.6.160.0130.03320.38
5.6.150.0100.07718.18
5.6.140.0070.07018.18
5.6.130.0070.08018.18
5.6.120.0000.07721.09
5.6.110.0200.07320.99
5.6.100.0100.06320.95
5.6.90.0170.07020.99
5.6.80.0030.08320.40
5.5.350.4200.04020.34
5.5.340.0070.07717.98
5.5.330.0030.04020.59
5.5.320.0030.08720.20
5.5.310.0200.04320.18
5.5.300.0070.03317.90
5.5.290.0100.07017.93
5.5.280.0030.09020.89
5.5.270.0070.08720.86
5.5.260.0100.08320.96
5.5.250.0000.08720.70
5.5.240.0230.07320.34
5.4.450.1700.04319.46
5.4.440.3670.03319.25
5.4.430.3530.04019.07
5.4.420.3100.03719.23
5.4.410.3270.04019.25
5.4.400.3730.03319.25
5.4.390.3770.03019.13
5.4.380.3630.03018.92
5.4.370.4230.04018.95
5.4.360.4200.03718.94
5.4.350.4270.03319.10
5.4.340.4030.04319.16
5.4.320.3300.03318.88
5.4.310.4270.04019.09
5.4.300.2770.04019.08
5.4.290.3300.03719.18
5.4.280.3370.04019.16
5.4.270.3330.03319.24
5.4.260.4030.04019.24
5.4.250.4300.03719.24
5.4.240.3930.03719.23
5.4.230.3730.03719.26
5.4.220.4370.03019.03
5.4.210.4230.04319.13
5.4.200.4270.03319.07
5.4.190.4070.04019.08
5.4.180.4070.03718.91
5.4.170.4100.03719.16
5.4.160.4270.04019.05
5.4.150.3700.04019.06
5.4.140.3700.03016.18
5.4.130.3370.03016.25
5.4.120.3570.03716.32
5.4.110.3530.03316.49
5.4.100.3570.03716.39
5.4.90.3570.03716.30
5.4.80.3570.04016.21
5.4.70.3630.03316.42
5.4.60.2870.03316.40
5.4.50.2700.04716.31
5.4.40.3200.04016.31
5.4.30.3400.03316.17
5.4.20.1930.04016.36
5.4.10.3100.04016.36
5.4.00.2870.03315.82
5.3.290.4270.04014.75
5.3.280.4200.04314.42
5.3.270.4400.03314.44
5.3.260.4200.04714.44
5.3.250.4330.04014.46
5.3.240.3630.03014.58
5.3.230.3270.03014.50
5.3.220.3470.03314.40
5.3.210.3700.04314.59
5.3.200.3700.04314.44
5.3.190.3600.03714.43
5.3.180.3670.03714.64
5.3.170.3630.03014.54
5.3.160.3700.05014.48
5.3.150.3500.03714.51
5.3.140.3430.03714.41
5.3.130.3130.03714.45
5.3.120.3430.03714.40
5.3.110.1600.03014.40
5.3.100.2800.03714.06
5.3.90.2870.03313.88
5.3.80.2600.03013.86
5.3.70.2470.04014.04
5.3.60.3270.04013.93
5.3.50.2870.03313.89
5.3.40.3470.03714.04
5.3.30.3530.04313.85
5.3.20.3630.03313.78
5.3.10.3400.03713.53
5.3.00.4270.03013.73
5.2.170.2770.02711.16
5.2.160.3100.03011.19
5.2.150.3000.02711.08
5.2.140.3070.02711.18
5.2.130.3230.03011.04
5.2.120.2770.03010.95
5.2.110.3200.02710.94
5.2.100.3130.03010.94
5.2.90.3570.03010.96
5.2.80.3370.03311.19
5.2.70.3630.03711.14
5.2.60.3630.03010.98
5.2.50.3670.03010.90
5.2.40.2800.03310.93
5.2.30.2800.03010.92
5.2.20.2630.03311.06
5.2.10.2970.02710.82
5.2.00.3030.03010.87
5.1.60.2800.02010.26
5.1.50.3070.02010.26
5.1.40.3030.02310.26
5.1.30.3070.02310.35
5.1.20.2500.02010.44
5.1.10.3130.02310.26
5.1.00.2970.03010.26
5.0.50.1700.02010.26
5.0.40.1670.02310.26
5.0.30.1600.03010.26
5.0.20.1370.02010.26
5.0.10.1070.02010.26
5.0.00.1370.03010.26
4.4.90.1630.01310.26
4.4.80.2000.01010.26
4.4.70.1330.01310.26
4.4.60.1700.01710.26
4.4.50.1730.01710.26
4.4.40.1670.02710.26
4.4.30.1630.01710.26
4.4.20.1130.02010.26
4.4.10.1600.02010.26
4.4.00.1700.02310.26
4.3.110.1600.02010.26
4.3.100.1670.01710.26
4.3.90.1700.01710.26
4.3.80.1530.02010.26
4.3.70.1670.01710.26
4.3.60.1700.01310.26
4.3.50.1400.01710.26
4.3.40.1670.02310.26
4.3.30.0800.02010.26
4.3.20.0930.02710.26
4.3.10.0930.02010.26
4.3.00.0770.02010.26

preferences:
45.23 ms | 401 KiB | 5 Q