3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(array_keys(array('car'=>1, 'bike'=>2), "1", true));

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)
8.3.70.0120.00618.18
8.3.60.0120.00916.38
8.3.50.0140.00821.92
8.3.40.0120.00318.71
8.3.30.0070.00718.96
8.3.20.0040.00420.34
8.3.10.0060.00321.79
8.3.00.0040.00420.94
8.2.190.0070.00716.58
8.2.180.0070.00716.32
8.2.170.0110.00422.96
8.2.160.0070.01022.16
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0030.00519.41
8.2.110.0030.00620.53
8.2.100.0000.01117.97
8.2.90.0040.00419.12
8.2.80.0040.00417.97
8.2.70.0060.00317.50
8.2.60.0040.00717.91
8.2.50.0030.00818.07
8.2.40.0050.00319.76
8.2.30.0040.00417.92
8.2.20.0030.00517.55
8.2.10.0000.00818.02
8.2.00.0000.00717.54
8.1.280.0070.00725.92
8.1.270.0070.01018.88
8.1.260.0000.00726.35
8.1.250.0080.00028.09
8.1.240.0000.00923.83
8.1.230.0040.00719.11
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0030.00617.22
8.1.190.0040.00417.10
8.1.180.0030.00618.10
8.1.170.0040.00418.38
8.1.160.0000.00721.95
8.1.150.0070.00318.67
8.1.140.0000.00717.36
8.1.130.0000.00717.76
8.1.120.0030.00517.31
8.1.110.0050.00217.35
8.1.100.0000.00717.34
8.1.90.0030.00417.31
8.1.80.0000.00717.33
8.1.70.0030.00317.21
8.1.60.0040.00417.48
8.1.50.0000.00817.33
8.1.40.0040.00417.26
8.1.30.0000.00817.42
8.1.20.0040.00417.50
8.1.10.0060.00317.37
8.1.00.0000.00817.32
8.0.300.0040.00418.77
8.0.290.0000.00716.58
8.0.280.0000.00718.29
8.0.270.0030.00316.74
8.0.260.0030.00317.13
8.0.250.0030.00316.82
8.0.240.0040.00416.80
8.0.230.0000.00716.85
8.0.220.0040.00316.75
8.0.210.0000.00716.77
8.0.200.0000.00716.75
8.0.190.0000.00816.85
8.0.180.0000.00716.69
8.0.170.0030.00516.80
8.0.160.0040.00416.77
8.0.150.0040.00416.61
8.0.140.0040.00416.64
8.0.130.0000.00613.14
8.0.120.0040.00416.71
8.0.110.0040.00416.77
8.0.100.0000.00716.73
8.0.90.0040.00416.58
8.0.80.0080.00816.75
8.0.70.0040.00416.82
8.0.60.0000.00716.75
8.0.50.0000.00716.54
8.0.30.0150.00916.82
8.0.20.0140.00717.40
8.0.10.0070.00016.83
8.0.00.0080.01016.56
7.4.330.0030.00315.03
7.4.320.0000.00616.51
7.4.300.0040.00416.48
7.4.290.0070.00016.45
7.4.280.0080.00016.50
7.4.270.0000.00616.46
7.4.260.0000.00616.44
7.4.250.0000.00716.33
7.4.240.0050.00216.41
7.4.230.0030.00316.30
7.4.220.0060.01916.33
7.4.210.0060.01416.28
7.4.200.0070.00016.42
7.4.160.0120.00316.40
7.4.150.0120.01217.40
7.4.140.0100.00717.86
7.4.130.0100.00716.43
7.4.120.0130.00416.43
7.4.110.0060.01316.07
7.4.100.0110.00716.53
7.4.90.0030.01416.29
7.4.80.0060.01319.39
7.4.70.0050.01416.45
7.4.60.0080.00816.49
7.4.50.0050.00316.18
7.4.40.0090.01216.09
7.4.30.0110.00516.38
7.4.00.0000.01614.68
7.3.330.0020.00212.94
7.3.320.0000.00713.03
7.3.310.0040.00416.24
7.3.300.0030.00316.02
7.3.290.0080.00716.15
7.3.280.0050.01116.17
7.3.270.0100.00717.40
7.3.260.0160.00316.13
7.3.250.0090.00916.25
7.3.240.0090.00916.16
7.3.230.0100.01016.39
7.3.210.0070.01016.45
7.3.200.0100.00719.39
7.3.190.0070.01116.45
7.3.180.0130.00316.26
7.3.170.0060.01116.30
7.3.160.0100.00716.08
7.3.120.0090.00614.63
7.3.110.0130.00314.59
7.3.100.0090.00614.83
7.3.90.0080.00814.78
7.3.80.0070.00714.80
7.3.70.0080.00814.59
7.3.60.0040.00814.60
7.3.50.0030.00814.58
7.3.40.0050.01214.54
7.3.30.0060.00914.72
7.3.20.0050.00816.53
7.3.10.0120.00316.39
7.3.00.0060.00916.58
7.2.330.0070.01016.21
7.2.320.0030.02316.42
7.2.310.0100.01016.20
7.2.300.0000.01716.27
7.2.290.0080.00816.22
7.2.240.0040.01514.99
7.2.230.0060.00714.80
7.2.220.0050.01214.84
7.2.210.0030.01114.74
7.2.200.0020.01014.91
7.2.190.0020.01514.61
7.2.180.0100.00514.62
7.2.170.0030.01014.64
7.2.160.0050.00914.88
7.2.150.0020.01016.74
7.2.140.0060.00516.64
7.2.130.0080.00716.70
7.2.120.0050.01116.71
7.2.110.0080.00816.67
7.2.100.0080.00616.83
7.2.90.0060.01016.54
7.2.80.0090.00716.75
7.2.70.0090.00516.49
7.2.60.0060.00916.62
7.2.50.0050.01116.69
7.2.40.0080.00616.65
7.2.30.0070.00716.61
7.2.20.0000.01416.78
7.2.10.0020.01516.75
7.2.00.0040.00917.63
7.1.330.0050.01215.48
7.1.320.0060.00915.81
7.1.310.0060.01015.68
7.1.300.0080.00515.73
7.1.290.0050.01015.57
7.1.280.0070.00815.66
7.1.270.0070.00615.79
7.1.260.0050.01115.59
7.1.250.0080.00615.57
7.1.100.0040.00818.05
7.1.70.0030.01616.82
7.1.60.0120.01219.46
7.1.50.0050.00516.80
7.1.00.0100.06322.40
7.0.200.0410.00714.64
7.0.140.0030.03322.18
7.0.110.0030.04021.80
7.0.100.0000.04321.82
7.0.90.0000.04721.60
7.0.80.0030.03721.76
7.0.70.0030.06321.71
7.0.60.0030.03321.72
7.0.50.0000.07721.70
7.0.40.0000.08319.80
7.0.30.0030.08319.66
7.0.20.0070.07319.79
7.0.10.0100.07719.67
7.0.00.0100.07719.76
5.6.280.0000.07720.85
5.6.260.0000.04320.54
5.6.250.0030.05320.83
5.6.240.0030.04320.46
5.6.230.0030.04020.63
5.6.220.0100.03720.55
5.6.210.0030.04020.60
5.6.200.0000.04020.50
5.6.190.0030.03720.59
5.6.180.0100.07720.67
5.6.170.0000.04720.50
5.6.160.0030.07720.55
5.6.150.0070.07720.61
5.6.140.0030.08020.63
5.6.130.0070.07720.58
5.6.120.0100.07320.64
5.6.110.0000.08320.48
5.6.100.0000.05020.55
5.6.90.0070.07320.63
5.6.80.0200.05020.01
5.6.70.0000.07720.01
5.6.60.0030.05020.16
5.6.50.0030.07719.97
5.6.40.0000.08020.00
5.6.30.0070.07719.94
5.6.20.0030.06019.89
5.6.10.0000.05019.94
5.6.00.0070.07019.89
5.5.380.0000.05717.46
5.5.370.0000.05017.44
5.5.360.0000.04017.50
5.5.350.0000.04017.40
5.5.340.0000.06317.87
5.5.330.0030.05318.16
5.5.320.0070.06318.01
5.5.310.0000.08318.01
5.5.300.0000.08017.86
5.5.290.0070.07718.16
5.5.280.0030.08017.98
5.5.270.0070.07317.85
5.5.260.0030.08017.88
5.5.250.0070.07317.66
5.5.240.0030.07317.25
5.5.230.0070.08017.39
5.5.220.0030.07317.39
5.5.210.0000.08317.21
5.5.200.0100.03717.25
5.5.190.0030.06317.21
5.5.180.0030.07717.48
5.5.160.0130.04017.24
5.5.150.0030.08017.11
5.5.140.0070.06717.51
5.5.130.0030.07317.23
5.5.120.0030.07717.45
5.5.110.0070.06717.19
5.5.100.0000.08717.39
5.5.90.0070.07717.41
5.5.80.0130.06317.23
5.5.70.0070.07717.40
5.5.60.0030.07017.51
5.5.50.0030.06717.37
5.5.40.0030.07317.09
5.5.30.0030.07717.10
5.5.20.0070.07317.34
5.5.10.0070.07317.00
5.5.00.0130.07017.37
5.4.450.0000.08319.36
5.4.440.0030.05319.39
5.4.430.0070.06719.39
5.4.420.0030.08019.21
5.4.410.0000.05319.32
5.4.400.0030.04718.90
5.4.390.0030.05018.88
5.4.380.0030.07718.98
5.4.370.0070.07019.06
5.4.360.0030.07319.06
5.4.350.0000.07018.96
5.4.340.0000.07319.20
5.4.320.0070.07319.07
5.4.310.0070.06319.11
5.4.300.0070.07318.88
5.4.290.0030.07319.06
5.4.280.0100.07019.11
5.4.270.0000.04318.93
5.4.260.0030.07719.14
5.4.250.0030.07018.95
5.4.240.0070.06718.88
5.4.230.0030.08019.21
5.4.220.0030.07318.97
5.4.210.0030.08018.89
5.4.200.0070.07318.90
5.4.190.0030.04718.93
5.4.180.0070.06019.04
5.4.170.0100.06318.95
5.4.160.0000.08019.20
5.4.150.0100.04018.83
5.4.140.0030.05716.16
5.4.130.0030.07316.31
5.4.120.0030.06716.41
5.4.110.0070.06716.32
5.4.100.0070.07016.23
5.4.90.0000.07316.47
5.4.80.0030.07016.12
5.4.70.0000.07716.21
5.4.60.0100.04016.43
5.4.50.0000.07016.45
5.4.40.0030.07016.21
5.4.30.0030.06016.05
5.4.20.0070.06716.19
5.4.10.0000.07316.32
5.4.00.0000.04315.86
5.3.290.0030.08314.60
5.3.280.0000.08014.59
5.3.270.0000.07714.52
5.3.260.0000.08014.66
5.3.250.0030.07714.70
5.3.240.0000.07714.60
5.3.230.0030.07714.53
5.3.220.0070.04014.58
5.3.210.0100.06714.52
5.3.200.0070.07714.50
5.3.190.0000.06714.50
5.3.180.0100.05714.45
5.3.170.0000.07714.63
5.3.160.0100.07014.63
5.3.150.0070.07014.65
5.3.140.0000.06314.41
5.3.130.0100.07014.55
5.3.120.0000.07014.41
5.3.110.0030.07714.46
5.3.100.0000.07313.94
5.3.90.0100.06013.88
5.3.80.0030.04013.96
5.3.70.0030.07013.87
5.3.60.0030.07014.07
5.3.50.0030.06013.80
5.3.40.0000.07014.02
5.3.30.0000.03713.73
5.3.20.0000.07013.53
5.3.10.0030.05013.59
5.3.00.0000.07713.59
5.2.170.0000.06311.20
5.2.160.0000.06011.08
5.2.150.0000.04711.13
5.2.140.0000.05711.09
5.2.130.0030.05011.25
5.2.120.0000.04311.05
5.2.110.0030.05711.09
5.2.100.0000.06011.11
5.2.90.0000.04011.02
5.2.80.0000.06310.88
5.2.70.0030.06310.88
5.2.60.0070.05311.06
5.2.50.0070.06010.94
5.2.40.0000.06010.89
5.2.30.0030.06010.91
5.2.20.0030.04310.95
5.2.10.0030.05310.75
5.2.00.0000.05710.71
5.1.60.0070.0239.97
5.1.50.0000.0539.96
5.1.40.0030.0509.87
5.1.30.0000.04310.25
5.1.20.0030.07010.34
5.1.10.0000.0379.99
5.1.00.0000.0439.99
5.0.50.0100.0408.50
5.0.40.0000.0408.22
5.0.30.0000.0678.04
5.0.20.0070.0338.26
5.0.10.0000.0478.14
5.0.00.0000.0678.15
4.4.90.0030.0337.30
4.4.80.0000.0377.30
4.4.70.0000.0207.30
4.4.60.0000.0377.30
4.4.50.0030.0207.30
4.4.40.0030.0437.30
4.4.30.0070.0137.30
4.4.20.0000.0377.30
4.4.10.0000.0337.30
4.4.00.0000.0537.30
4.3.110.0000.0207.30
4.3.100.0000.0377.30
4.3.90.0000.0337.30
4.3.80.0000.0507.30
4.3.70.0070.0307.30
4.3.60.0030.0237.30
4.3.50.0000.0377.30
4.3.40.0100.0437.30
4.3.30.0070.0307.30
4.3.20.0000.0377.30
4.3.10.0070.0277.30
4.3.00.0070.0307.30

preferences:
41.99 ms | 401 KiB | 5 Q