3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(); $a[] = 1; $a[] = 2; $a[] = 3; $a[] = 1; $a[] = 1; $a[] = 2; $a[] = 4; $acount = array_count_values($a); print_r(array_keys($acount));

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)
8.3.60.0070.00718.31
8.3.50.0120.00820.87
8.3.40.0140.00318.84
8.3.30.0100.00318.96
8.3.20.0080.00020.22
8.3.10.0050.00320.33
8.3.00.0000.00819.38
8.2.180.0040.01116.59
8.2.170.0090.00922.96
8.2.160.0070.00720.34
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0040.00422.31
8.2.110.0040.00422.20
8.2.100.0100.00317.84
8.2.90.0040.00419.27
8.2.80.0000.00817.97
8.2.70.0000.00917.50
8.2.60.0090.00018.05
8.2.50.0080.00018.07
8.2.40.0000.00818.15
8.2.30.0080.00019.42
8.2.20.0050.00217.67
8.2.10.0080.00018.12
8.2.00.0040.00417.55
8.1.280.0160.00325.92
8.1.270.0060.00322.14
8.1.260.0050.00326.35
8.1.250.0000.00728.09
8.1.240.0030.00723.83
8.1.230.0060.00619.16
8.1.220.0040.00417.76
8.1.210.0040.00418.77
8.1.200.0040.00717.35
8.1.190.0040.00417.22
8.1.180.0000.00718.10
8.1.170.0060.00318.38
8.1.160.0000.00722.05
8.1.150.0040.00418.82
8.1.140.0040.00417.45
8.1.130.0000.00717.72
8.1.120.0040.00417.46
8.1.110.0000.00717.38
8.1.100.0040.00417.23
8.1.90.0030.00317.40
8.1.80.0040.00417.38
8.1.70.0000.00717.31
8.1.60.0060.00317.39
8.1.50.0040.00417.44
8.1.40.0000.00817.48
8.1.30.0040.00417.54
8.1.20.0040.00417.59
8.1.10.0090.00017.32
8.1.00.0050.00317.36
8.0.300.0040.00420.80
8.0.290.0040.00416.63
8.0.280.0000.00718.36
8.0.270.0000.00717.18
8.0.260.0030.00317.09
8.0.250.0000.00716.79
8.0.240.0050.00316.84
8.0.230.0000.00716.79
8.0.220.0070.00016.86
8.0.210.0040.00416.69
8.0.200.0030.00316.75
8.0.190.0000.00716.86
8.0.180.0030.00316.77
8.0.170.0040.00416.73
8.0.160.0000.00716.82
8.0.150.0040.00416.75
8.0.140.0070.00016.76
8.0.130.0000.00513.30
8.0.120.0060.00316.70
8.0.110.0040.00416.77
8.0.100.0000.00716.71
8.0.90.0070.00016.61
8.0.80.0090.00616.83
8.0.70.0040.00416.89
8.0.60.0040.00416.70
8.0.50.0070.00016.84
8.0.30.0100.00917.04
8.0.20.0140.00517.40
8.0.10.0040.00416.85
8.0.00.0110.00616.82
7.4.330.0000.00515.00
7.4.320.0040.00416.43
7.4.300.0030.00616.53
7.4.290.0000.00716.44
7.4.280.0030.00616.48
7.4.270.0030.00316.40
7.4.260.0000.00716.49
7.4.250.0030.00316.26
7.4.240.0020.00516.45
7.4.230.0030.00316.56
7.4.220.0060.01216.56
7.4.210.0050.01116.50
7.4.200.0030.00316.25
7.4.160.0150.00016.41
7.4.150.0060.01217.40
7.4.140.0150.00617.86
7.4.130.0120.00516.44
7.4.120.0090.00816.54
7.4.110.0080.00816.46
7.4.100.0130.00316.41
7.4.90.0100.00716.46
7.4.80.0100.00716.39
7.4.70.0060.00916.35
7.4.60.0090.00616.32
7.4.50.0040.00416.41
7.4.40.0090.00616.37
7.4.30.0090.00616.35
7.4.10.0070.01215.48
7.4.00.0060.01015.29
7.3.330.0050.00013.13
7.3.320.0030.00313.09
7.3.310.0070.00016.28
7.3.300.0000.00716.19
7.3.290.0080.00516.26
7.3.280.0090.00816.20
7.3.270.0090.00817.40
7.3.260.0120.00616.23
7.3.250.0110.00816.42
7.3.240.0070.01016.20
7.3.230.0120.00816.68
7.3.210.0070.01016.40
7.3.200.0180.00419.39
7.3.190.0120.00616.42
7.3.180.0090.00916.45
7.3.170.0100.01316.31
7.3.160.0030.01416.21
7.3.130.0090.01015.43
7.3.120.0070.01015.06
7.3.110.0070.00815.05
7.3.100.0070.00715.12
7.3.90.0040.01215.13
7.3.80.0080.00815.18
7.3.70.0060.00715.10
7.3.60.0060.00715.19
7.3.50.0080.00615.09
7.3.40.0070.00615.00
7.3.30.0070.00515.00
7.3.20.0060.00716.89
7.3.10.0050.00716.65
7.3.00.0070.00616.72
7.2.330.0100.00716.48
7.2.320.0120.00616.38
7.2.310.0130.01016.63
7.2.300.0070.01016.67
7.2.290.0120.00616.34
7.2.260.0060.01315.48
7.2.250.0070.01215.31
7.2.240.0060.01015.49
7.2.230.0060.00815.43
7.2.220.0050.00815.39
7.2.210.0040.00815.34
7.2.200.0050.00715.25
7.2.190.0060.00615.26
7.2.180.0060.00815.20
7.2.170.0060.00915.27
7.2.160.0040.01115.36
7.2.150.0090.00417.17
7.2.140.0060.00817.30
7.2.130.0070.00616.96
7.2.120.0050.00916.90
7.2.110.0070.00717.03
7.2.100.0060.00817.00
7.2.90.0050.01017.07
7.2.80.0070.00716.94
7.2.70.0060.00616.93
7.2.60.0050.00816.92
7.2.50.0050.00916.94
7.2.40.0070.00716.97
7.2.30.0070.00817.06
7.2.20.0080.00717.00
7.2.10.0060.00717.03
7.2.00.0050.00717.24
7.1.330.0090.00616.19
7.1.320.0050.00916.07
7.1.310.0060.00616.12
7.1.300.0080.00716.15
7.1.290.0080.00316.17
7.1.280.0050.00916.15
7.1.270.0060.00916.01
7.1.260.0050.00916.06
7.1.250.0060.00715.88
7.1.240.0060.00816.03
7.1.230.0030.01015.83
7.1.220.0050.00815.93
7.1.210.0050.00716.00
7.1.200.0030.00915.92
7.1.190.0040.01016.04
7.1.180.0050.00915.94
7.1.170.0050.00615.92
7.1.160.0050.00816.00
7.1.150.0040.00815.94
7.1.140.0060.00616.03
7.1.130.0030.01016.06
7.1.120.0050.00816.01
7.1.110.0050.00816.13
7.1.100.0080.00716.39
7.1.90.0040.00915.92
7.1.80.0050.00616.04
7.1.70.0050.00716.19
7.1.60.0070.00616.60
7.1.50.0050.00916.04
7.1.40.0040.00816.02
7.1.30.0060.00615.99
7.1.20.0060.00615.99
7.1.10.0070.00715.99
7.1.00.0060.01817.10
7.0.330.0050.00815.60
7.0.320.0070.00715.50
7.0.310.0060.00615.55
7.0.300.0050.00715.62
7.0.290.0040.00715.69
7.0.280.0040.01115.61
7.0.270.0060.00815.79
7.0.260.0030.00715.82
7.0.250.0050.00815.80
7.0.240.0080.00515.74
7.0.230.0050.00615.76
7.0.220.0060.00715.67
7.0.210.0080.00615.63
7.0.200.0050.00715.75
7.0.190.0050.00615.73
7.0.180.0030.00815.70
7.0.170.0040.00915.65
7.0.160.0060.00615.77
7.0.150.0070.00615.65
7.0.140.0020.02216.74
7.0.130.0050.00815.75
7.0.120.0040.01215.69
7.0.110.0070.00615.76
7.0.100.0040.00715.67
7.0.90.0050.00815.59
7.0.80.0040.00615.74
7.0.70.0030.00915.69
7.0.60.0070.01416.44
7.0.50.0040.01716.12
7.0.40.0050.01614.76
7.0.30.0080.01514.71
7.0.20.0070.02114.84
7.0.10.0070.01514.86
7.0.00.0070.01214.72
5.6.400.0050.00914.62
5.6.390.0040.01014.43
5.6.380.0070.00714.63
5.6.370.0060.00814.65
5.6.360.0030.00814.76
5.6.350.0070.00814.50
5.6.340.0070.00414.71
5.6.330.0050.00714.65
5.6.320.0060.00714.57
5.6.310.0050.00814.67
5.6.300.0070.00814.77
5.6.290.0030.01014.55
5.6.280.0050.01615.66
5.6.270.0050.00614.68
5.6.260.0070.00514.63
5.6.250.0060.00914.52
5.6.240.0040.00814.71
5.6.230.0040.00814.70
5.6.220.0040.01014.53
5.6.210.0040.02115.57
5.6.200.0050.02015.22
5.6.190.0040.01615.63
5.6.180.0120.01915.60
5.6.170.0090.01915.46
5.6.160.0040.01415.42
5.6.150.0070.01915.18
5.6.140.0060.01915.17
5.6.130.0040.01915.21
5.6.120.0070.02015.60
5.6.110.0070.01415.68
5.6.100.0030.02015.58
5.6.90.0060.01715.58
5.6.80.0060.02115.60
5.6.70.0040.00814.51
5.6.60.0050.00714.50
5.6.50.0060.00614.56
5.6.40.0050.00814.45
5.6.30.0070.00614.55
5.6.20.0070.00514.46
5.6.10.0050.00714.62
5.6.00.0060.01014.57
5.5.380.0040.00814.02
5.5.370.0050.00813.98
5.5.360.0020.00914.05
5.5.350.0060.01714.92
5.5.340.0060.01814.52
5.5.330.0050.02115.13
5.5.320.0110.01714.99
5.5.310.0070.01415.09
5.5.300.0050.01614.63
5.5.290.0080.01614.58
5.5.280.0040.01815.08
5.5.270.0040.01415.19
5.5.260.0040.02115.11
5.5.250.0070.01815.03
5.5.240.0060.01714.88
5.5.230.0080.00513.79
5.5.220.0060.00813.82
5.5.210.0030.00813.95
5.5.200.0040.00813.86
5.5.190.0050.00813.85
5.5.180.0060.00513.86
5.5.170.0060.00813.76
5.5.160.0090.00313.70
5.5.150.0070.00413.82
5.5.140.0060.00613.91
5.5.130.0060.00813.91
5.5.120.0070.00713.90
5.5.110.0070.00713.93
5.5.100.0050.00713.96
5.5.90.0040.00813.83
5.5.80.0050.00513.86
5.5.70.0040.01013.92
5.5.60.0070.00513.77
5.5.50.0060.00813.92
5.5.40.0030.00813.79
5.5.30.0060.00613.77
5.5.20.0060.00813.99
5.5.10.0020.01013.84
5.5.00.0050.00813.83
5.4.450.0110.01313.07
5.4.440.0140.01213.05
5.4.430.0020.01113.07
5.4.420.0050.01313.05
5.4.410.0100.01113.07
5.4.400.0160.01112.94
5.4.390.0140.01212.96
5.4.380.0090.01312.95
5.4.370.0180.01412.95
5.4.360.0070.01312.95
5.4.350.0110.01612.98
5.4.340.0080.01212.85
5.4.330.0060.00411.79
5.4.320.0040.01211.83
5.4.310.0040.01011.83
5.4.300.0030.01111.85
5.4.290.0030.01311.81
5.4.280.0040.01211.75
5.4.270.0060.00811.82
5.4.260.0050.01011.91
5.4.250.0050.01011.88
5.4.240.0020.01111.92
5.4.230.0040.01311.85
5.4.220.0040.01411.80
5.4.210.0030.01111.83
5.4.200.0060.01011.83
5.4.190.0050.01011.83
5.4.180.0050.01011.84
5.4.170.0020.01211.81
5.4.160.0030.01211.85
5.4.150.0040.01011.86
5.4.140.0030.01111.78
5.4.130.0050.01111.78
5.4.120.0030.01211.82
5.4.110.0040.01211.73
5.4.100.0040.01111.88
5.4.90.0040.01011.68
5.4.80.0040.01411.78
5.4.70.0060.00911.78
5.4.60.0040.01311.77
5.4.50.0050.01011.74
5.4.40.0070.00911.80
5.4.30.0040.01311.81
5.4.20.0040.01111.70
5.4.10.0040.01211.81
5.4.00.0060.01111.68
5.3.290.0060.02311.85
5.3.280.0050.02111.80
5.3.270.0060.02211.81
5.3.260.0040.02511.81
5.3.250.0070.02411.81
5.3.240.0040.02611.81
5.3.230.0040.02111.80
5.3.220.0020.02311.79
5.3.210.0040.02211.79
5.3.200.0040.02111.79
5.3.190.0040.02211.79
5.3.180.0020.02211.79
5.3.170.0020.02011.78
5.3.160.0020.02411.79
5.3.150.0060.02011.79
5.3.140.0050.01911.78
5.3.130.0030.02411.78
5.3.120.0040.02211.78
5.3.110.0060.01811.78
5.3.100.0030.02311.51
5.3.90.0060.02011.49
5.3.80.0060.02011.49
5.3.70.0070.01911.49
5.3.60.0040.01911.48
5.3.50.0020.02111.45
5.3.40.0040.02011.45
5.3.30.0010.02211.44
5.3.20.0070.01911.32
5.3.10.0030.02311.31
5.3.00.0030.02211.30
5.2.170.0020.02010.05
5.2.160.0030.01710.05
5.2.150.0020.01910.05
5.2.140.0030.01910.05
5.2.130.0030.01610.03
5.2.120.0020.02110.03
5.2.110.0030.01810.03
5.2.100.0040.01810.03
5.2.90.0040.01810.03
5.2.80.0070.01510.03
5.2.70.0020.01910.03
5.2.60.0060.01510.01
5.2.50.0050.0179.99
5.2.40.0070.0169.98
5.2.30.0040.0179.97
5.2.20.0050.0169.96
5.2.10.0060.0169.92
5.2.00.0060.0149.85
5.1.60.0070.0129.49
5.1.50.0020.0169.48
5.1.40.0020.0149.48
5.1.30.0020.0179.65
5.1.20.0040.0159.66
5.1.10.0060.0139.53
5.1.00.0040.0169.52
5.0.50.0020.0128.76
5.0.40.0020.0128.69
5.0.30.0030.0158.60
5.0.20.0010.0148.58
5.0.10.0050.0118.57
5.0.00.0010.0188.57
4.4.90.0030.0107.84
4.4.80.0030.0117.82
4.4.70.0020.0107.83
4.4.60.0010.0127.83
4.4.50.0030.0107.84
4.4.40.0010.0177.80
4.4.30.0030.0097.83
4.4.20.0020.0107.87
4.4.10.0020.0097.87
4.4.00.0010.0147.83
4.3.110.0030.0087.78
4.3.100.0040.0077.78
4.3.90.0010.0117.77
4.3.80.0040.0147.74
4.3.70.0040.0097.77
4.3.60.0040.0097.76
4.3.50.0030.0087.76
4.3.40.0010.0167.72
4.3.30.0010.0127.10
4.3.20.0030.0087.09
4.3.10.0010.0107.06
4.3.00.0030.01015.18

preferences:
44.96 ms | 401 KiB | 5 Q