3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(1,2,2,1,1); $b = array("1"=>1,"2"=>1); foreach (array_unique($a) as $key => $value) { echo "$key => $value"; }

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)
8.3.60.0170.00316.50
8.3.50.0070.01017.36
8.3.40.0070.00718.63
8.3.30.0130.00918.60
8.3.20.0000.00818.77
8.3.10.0040.00420.39
8.3.00.0060.00319.26
8.2.180.0110.00418.41
8.2.170.0040.01122.96
8.2.160.0070.00721.02
8.2.150.0000.00724.18
8.2.140.0040.00424.66
8.2.130.0050.00226.16
8.2.120.0030.00520.88
8.2.110.0030.00620.54
8.2.100.0080.00817.91
8.2.90.0030.00619.34
8.2.80.0040.00419.41
8.2.70.0000.00817.63
8.2.60.0080.00017.93
8.2.50.0000.00818.07
8.2.40.0070.00018.16
8.2.30.0000.00718.11
8.2.20.0000.00717.67
8.2.10.0000.00717.79
8.2.00.0050.00217.80
8.1.270.0080.00024.66
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0090.00023.78
8.1.230.0040.00723.88
8.1.220.0000.00817.78
8.1.210.0060.00320.59
8.1.200.0000.01017.35
8.1.190.0040.00417.41
8.1.180.0040.00418.10
8.1.170.0060.00318.68
8.1.160.0000.00718.92
8.1.150.0050.00218.54
8.1.140.0050.00317.39
8.1.130.0000.00717.85
8.1.120.0080.00317.48
8.1.110.0040.00417.44
8.1.100.0040.00417.43
8.1.90.0090.00017.43
8.1.80.0000.00717.48
8.1.70.0070.00017.44
8.1.60.0000.00917.57
8.1.50.0050.00317.35
8.1.40.0000.00717.56
8.1.30.0000.00717.55
8.1.20.0030.00517.64
8.1.10.0040.00417.46
8.1.00.0000.00717.33
8.0.300.0040.00419.84
8.0.290.0090.00016.63
8.0.280.0000.00718.43
8.0.270.0030.00317.29
8.0.260.0000.00616.85
8.0.250.0030.00616.91
8.0.240.0040.00416.91
8.0.230.0030.00316.96
8.0.220.0000.00716.76
8.0.210.0070.00016.83
8.0.200.0060.00016.93
8.0.190.0060.00316.87
8.0.180.0040.00416.74
8.0.170.0060.00316.92
8.0.160.0000.00716.93
8.0.150.0050.00316.89
8.0.140.0070.00016.84
8.0.130.0000.00613.32
8.0.120.0040.00316.89
8.0.110.0050.00216.75
8.0.100.0000.00716.77
8.0.90.0040.00416.82
8.0.80.0100.00616.82
8.0.70.0040.00416.85
8.0.60.0000.00716.79
8.0.50.0070.00016.91
8.0.30.0140.00516.95
8.0.20.0050.01317.21
8.0.10.0040.00416.93
8.0.00.0150.00516.59
7.4.330.0030.00313.04
7.4.320.0030.00316.36
7.4.300.0060.00016.48
7.4.290.0000.00716.48
7.4.280.0060.00316.57
7.4.270.0050.00216.48
7.4.260.0050.00013.30
7.4.250.0030.00516.56
7.4.240.0050.00216.45
7.4.230.0040.00416.65
7.4.220.0130.01016.54
7.4.210.0060.00816.59
7.4.200.0070.00016.49
7.4.190.0040.00416.59
7.4.160.0060.01316.43
7.4.150.0090.00916.60
7.4.140.0090.01116.48
7.4.130.0070.01416.39
7.4.120.0100.00716.43
7.4.110.0070.01416.43
7.4.100.0120.00616.46
7.4.90.0030.01416.43
7.4.80.0070.01119.39
7.4.70.0100.00716.37
7.4.60.0040.01116.54
7.4.50.0060.00616.53
7.4.40.0100.00216.42
7.4.30.0130.00316.36
7.4.00.0070.00614.92
7.3.330.0000.00613.19
7.3.320.0050.00013.08
7.3.310.0040.00416.18
7.3.300.0030.00316.22
7.3.290.0000.01416.36
7.3.280.0070.00816.27
7.3.270.0030.01416.21
7.3.260.0040.01316.25
7.3.250.0100.00716.47
7.3.240.0130.00616.29
7.3.230.0100.00616.52
7.3.210.0080.00816.32
7.3.200.0140.00616.55
7.3.190.0110.00716.54
7.3.180.0110.00716.40
7.3.170.0070.01016.49
7.3.160.0060.00916.59
7.3.120.0070.01114.90
7.3.110.0030.01014.50
7.3.100.0030.01015.02
7.3.90.0030.00814.66
7.3.80.0030.00714.77
7.3.70.0110.00414.86
7.3.60.0080.00514.64
7.3.50.0040.00714.98
7.3.40.0070.00714.76
7.3.30.0060.00914.94
7.3.20.0040.01116.80
7.3.10.0040.01116.67
7.3.00.0040.01116.84
7.2.330.0070.01016.36
7.2.320.0100.00616.70
7.2.310.0120.01016.64
7.2.300.0080.00816.41
7.2.290.0070.01016.42
7.2.250.0070.01115.00
7.2.240.0090.00914.84
7.2.230.0070.00715.02
7.2.220.0100.00714.77
7.2.210.0040.01214.76
7.2.200.0000.00914.89
7.2.190.0070.01015.11
7.2.180.0050.00515.24
7.2.170.0000.01515.05
7.2.60.0030.01316.96
7.2.00.0040.00719.43
7.1.330.0110.00415.87
7.1.320.0060.00315.81
7.1.310.0090.00615.41
7.1.300.0040.01115.80
7.1.290.0070.00415.78
7.1.280.0070.01015.77
7.1.270.0100.00715.54
7.1.260.0140.00315.80
7.1.200.0030.00815.58
7.1.100.0070.00717.98
7.1.70.0070.01117.17
7.1.60.0040.01119.40
7.1.50.0070.01316.85
7.1.00.0130.05722.33
7.0.200.0060.00316.98
7.0.140.0000.07322.04
7.0.120.0070.06321.95
7.0.60.0100.07320.06
7.0.50.0070.07717.89
7.0.40.0100.08317.73
7.0.30.0070.05717.79
7.0.20.0100.05017.76
7.0.10.0100.05717.67
7.0.00.0070.08717.78
5.6.280.0100.06721.08
5.6.210.0030.04320.61
5.6.200.0100.07718.17
5.6.190.0100.08018.18
5.6.180.0130.05318.11
5.6.170.0030.04318.09
5.6.160.0100.07718.17
5.6.150.0030.06318.14
5.6.140.0070.07718.14
5.6.130.0100.08018.22
5.6.120.0030.08318.13
5.6.110.0000.04318.23
5.6.100.0030.04018.17
5.6.90.0030.04018.16
5.6.80.0000.04017.53
5.6.70.0030.04017.57
5.6.60.0000.04017.53
5.6.50.0000.04017.57
5.6.40.0030.03717.52
5.6.30.0030.03717.54
5.6.20.0070.03317.45
5.6.10.0000.04017.47
5.6.00.0100.04017.55
5.5.350.0030.04020.38
5.5.340.0030.08318.02
5.5.330.0100.07017.95
5.5.320.0070.04317.95
5.5.310.0170.07017.91
5.5.300.0170.07017.95
5.5.290.0130.08017.90
5.5.280.0070.08018.02
5.5.270.0030.04317.95
5.5.260.0000.06317.91
5.5.250.0030.03717.83
5.5.240.0030.03717.29
5.5.230.0070.03317.39
5.5.220.0030.03717.32
5.5.210.0070.03317.40
5.5.200.0000.04317.34
5.5.190.0030.03717.29
5.5.180.0030.04017.30
5.5.160.0030.03717.22
5.5.150.0030.03717.21
5.5.140.0070.03317.24
5.5.130.0070.03317.23
5.5.120.0000.04017.37
5.5.110.0030.03717.28
5.5.100.0070.03317.16
5.5.90.0100.03017.15
5.5.80.0000.04017.27
5.5.70.0070.03317.19
5.5.60.0070.03717.25
5.5.50.0000.05717.26
5.5.40.0130.03717.14
5.5.30.0070.05317.14
5.5.20.0030.06717.13
5.5.10.0030.07717.20
5.5.00.0130.07017.18
5.4.450.0070.06019.28
5.4.440.0030.04319.21
5.4.430.0070.03719.30
5.4.420.0000.04319.27
5.4.410.0070.03719.27
5.4.400.0000.04019.09
5.4.390.0070.03318.99
5.4.380.0100.04019.09
5.4.370.0030.03718.96
5.4.360.0100.03019.09
5.4.350.0030.03719.14
5.4.340.0170.02318.84
5.4.320.0000.04019.20
5.4.310.0030.03719.20
5.4.300.0070.03319.11
5.4.290.0100.03018.97
5.4.280.0070.03319.12
5.4.270.0030.03718.98
5.4.260.0000.04018.98
5.4.250.0030.04018.98
5.4.240.0070.03318.96
5.4.230.0070.03319.11
5.4.220.0070.03718.95
5.4.210.0000.08018.96
5.4.200.0070.04719.20
5.4.190.0100.07019.03
5.4.180.0100.06719.06
5.4.170.0070.08019.10
5.4.160.0100.07019.10
5.4.150.0130.06318.96
5.4.140.0070.07716.26
5.4.130.0100.07016.47
5.4.120.0100.06716.25
5.4.110.0100.06316.33
5.4.100.0100.07316.52
5.4.90.0070.07716.52
5.4.80.0070.04316.27
5.4.70.0030.07316.22
5.4.60.0170.06716.40
5.4.50.0030.05016.36
5.4.40.0030.05016.55
5.4.30.0070.07716.34
5.4.20.0070.07316.49
5.4.10.0070.06016.38
5.4.00.0030.07715.62
5.3.290.0030.03714.62
5.3.280.0100.03014.42
5.3.270.0170.06714.42
5.3.260.0070.07714.55
5.3.250.0000.07014.46
5.3.240.0130.06014.42
5.3.230.0100.07714.54
5.3.220.0100.04014.52
5.3.210.0070.07714.34
5.3.200.0000.08714.50
5.3.190.0130.07314.53
5.3.180.0070.05714.50
5.3.170.0000.08714.55
5.3.160.0070.03714.50
5.3.150.0100.07014.64
5.3.140.0000.06714.52
5.3.130.0100.07314.51
5.3.120.0030.07314.51
5.3.110.0070.06314.51
5.3.100.0100.04313.99
5.3.90.0100.07013.93
5.3.80.0070.05713.98
5.3.70.0030.05013.86
5.3.60.0070.05313.86
5.3.50.0070.07713.93
5.3.40.0000.08013.91
5.3.30.0130.06313.83
5.3.20.0070.05013.61
5.3.10.0170.06713.43
5.3.00.0130.06313.39
5.2.170.0000.07011.13
5.2.160.0030.06711.04
5.2.150.0030.06310.97
5.2.140.0070.03011.17
5.2.130.0030.06711.24
5.2.120.0100.04711.05
5.2.110.0000.05711.07
5.2.100.0000.05311.24
5.2.90.0070.05710.99
5.2.80.0030.06011.03
5.2.70.0030.06311.12
5.2.60.0030.06311.19
5.2.50.0000.04310.94
5.2.40.0030.04310.95
5.2.30.0030.04310.79
5.2.20.0030.04310.84
5.2.10.0070.03710.86
5.2.00.0000.04710.75
5.1.60.0070.05010.08
5.1.50.0000.0409.97
5.1.40.0070.0539.79
5.1.30.0100.03010.29
5.1.20.0000.05010.32
5.1.10.0130.04710.11
5.1.00.0000.04710.15
5.0.50.0070.0278.75
5.0.40.0030.0478.60
5.0.30.0070.0578.42
5.0.20.0100.0378.13
5.0.10.0030.0438.25
5.0.00.0070.0378.24
4.4.90.0070.0337.64
4.4.80.0070.0277.64
4.4.70.0000.0277.64
4.4.60.0030.0307.64
4.4.50.0000.0337.64
4.4.40.0100.0377.64
4.4.30.0000.0377.64
4.4.20.0070.0377.64
4.4.10.0000.0377.64
4.4.00.0030.0307.64
4.3.110.0070.0337.64
4.3.100.0070.0307.64
4.3.90.0000.0377.64
4.3.80.0000.0577.64
4.3.70.0000.0277.64
4.3.60.0000.0277.64
4.3.50.0030.0307.64
4.3.40.0030.0437.64
4.3.30.0030.0377.64
4.3.20.0000.0407.64
4.3.10.0000.0307.64
4.3.00.0030.0207.64

preferences:
59.44 ms | 400 KiB | 5 Q