3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = (array)((object)['a', 'b']); var_dump(array_keys($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)
8.3.40.0100.00718.52
8.3.30.0070.00718.96
8.3.20.0000.00820.04
8.3.10.0070.00022.12
8.3.00.0000.00722.52
8.2.170.0140.00022.96
8.2.160.0070.00720.95
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0100.01026.16
8.2.120.0050.00517.50
8.2.110.0040.00422.29
8.2.100.0000.01219.45
8.2.90.0080.00019.27
8.2.80.0000.00817.97
8.2.70.0000.00817.63
8.2.60.0030.00617.62
8.2.50.0000.00818.07
8.2.40.0060.00318.09
8.2.30.0040.00417.95
8.2.20.0040.00417.54
8.2.10.0000.00917.68
8.2.00.0000.00717.58
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0080.00023.79
8.1.230.0070.00419.15
8.1.220.0050.00217.74
8.1.210.0040.00418.77
8.1.200.0030.00617.36
8.1.190.0080.00017.29
8.1.180.0030.00618.66
8.1.170.0000.00818.46
8.1.160.0040.00422.00
8.1.150.0040.00418.52
8.1.140.0070.00317.38
8.1.130.0000.00717.82
8.1.120.0050.00317.45
8.1.110.0050.00217.45
8.1.100.0030.00417.45
8.1.90.0040.00417.43
8.1.80.0040.00417.43
8.1.70.0030.00317.41
8.1.60.0060.00617.61
8.1.50.0060.00317.48
8.1.40.0040.00417.52
8.1.30.0040.00417.52
8.1.20.0040.00417.61
8.1.10.0040.00417.41
8.1.00.0040.00417.21
8.0.300.0070.00018.77
8.0.290.0030.00617.16
8.0.280.0030.00318.38
8.0.270.0040.00417.19
8.0.260.0060.00016.73
8.0.250.0070.00016.82
8.0.240.0040.00416.84
8.0.230.0000.00716.78
8.0.220.0000.00716.92
8.0.210.0030.00316.86
8.0.200.0030.00316.96
8.0.190.0000.00816.84
8.0.180.0000.00716.87
8.0.170.0030.00516.86
8.0.160.0020.00516.87
8.0.150.0110.00016.78
8.0.140.0000.00816.82
8.0.130.0000.00613.29
8.0.120.0090.00016.90
8.0.110.0040.00416.88
8.0.100.0000.00716.73
8.0.90.0070.00016.72
8.0.80.0100.00716.94
8.0.70.0040.00416.76
8.0.60.0000.00716.95
8.0.50.0000.00816.77
8.0.30.0090.01017.11
8.0.20.0110.00817.40
8.0.10.0040.00416.87
8.0.00.0150.00816.79
7.4.330.0030.00315.00
7.4.320.0030.00316.50
7.4.300.0000.00716.61
7.4.290.0030.00316.58
7.4.280.0030.00616.49
7.4.270.0030.00316.52
7.4.260.0070.00016.47
7.4.250.0080.00016.51
7.4.240.0020.00516.49
7.4.230.0000.00716.30
7.4.220.0060.01216.70
7.4.210.0050.01016.48
7.4.200.0030.00316.63
7.4.190.0070.00016.56
7.4.160.0110.00616.39
7.4.150.0070.01017.40
7.4.140.0130.00617.86
7.4.130.0080.00916.44
7.4.120.0070.00916.51
7.4.110.0100.00716.56
7.4.100.0150.00316.68
7.4.90.0120.00616.23
7.4.80.0100.00719.39
7.4.70.0100.00716.41
7.4.60.0130.00316.23
7.4.50.0030.00616.65
7.4.40.0030.01222.77
7.4.30.0110.00916.34
7.4.10.0040.01514.87
7.4.00.0020.00914.80
7.3.330.0040.00413.01
7.3.320.0000.00513.25
7.3.310.0030.00516.21
7.3.300.0000.00616.28
7.3.290.0090.01516.31
7.3.280.0090.00916.28
7.3.270.0090.00817.40
7.3.260.0140.00616.41
7.3.250.0060.01016.35
7.3.240.0080.00916.22
7.3.230.0100.00716.39
7.3.210.0100.01016.16
7.3.200.0060.01116.34
7.3.190.0060.01216.34
7.3.180.0120.00316.47
7.3.170.0000.01516.27
7.3.160.0130.01016.24
7.3.130.0140.00314.54
7.3.120.0080.00614.82
7.3.110.0060.00914.69
7.3.100.0030.01014.52
7.3.90.0090.00914.46
7.3.80.0030.01014.79
7.3.70.0060.00314.82
7.3.60.0060.00914.54
7.3.50.0040.00414.41
7.3.40.0030.00914.81
7.3.30.0000.01414.55
7.3.20.0050.00516.42
7.3.10.0000.01116.41
7.3.00.0060.00916.51
7.2.330.0140.00316.37
7.2.320.0070.01016.44
7.2.310.0120.00416.46
7.2.300.0130.00316.48
7.2.290.0100.00716.24
7.2.260.0000.00914.52
7.2.250.0100.00715.09
7.2.240.0000.01414.71
7.2.230.0080.00814.95
7.2.220.0070.00715.09
7.2.210.0090.00914.61
7.2.200.0030.01115.04
7.2.190.0080.00614.85
7.2.180.0030.01314.98
7.2.170.0030.00614.85
7.2.160.0090.00614.92
7.2.150.0090.00616.85
7.2.140.0040.01116.84
7.2.130.0090.00016.80
7.2.120.0030.01216.58
7.2.110.0050.01016.57
7.2.100.0100.00716.52
7.2.90.0090.01016.46
7.2.80.0040.01016.47
7.2.70.0100.00916.65
7.2.60.0050.01116.58
7.2.50.0130.00616.55
7.2.40.0030.00916.55
7.2.30.0080.00716.87
7.2.20.0050.00916.74
7.2.10.0070.01116.69
7.2.00.0050.01117.70
7.1.330.0030.01015.84
7.1.320.0000.01415.67
7.1.310.0030.01015.55
7.1.300.0060.01215.75
7.1.290.0130.00015.38
7.1.280.0060.00615.94
7.1.270.0060.00915.85
7.1.260.0030.00615.71
7.1.250.0070.00715.67
7.1.240.0030.01015.43
7.1.230.0050.01115.64
7.1.220.0060.00815.65
7.1.210.0090.00815.65
7.1.200.0070.00815.57
7.1.190.0110.00315.57
7.1.180.0070.00715.39
7.1.170.0020.01215.40
7.1.160.0050.00515.40
7.1.150.0060.00715.39
7.1.140.0060.00815.68
7.1.130.0050.00815.57
7.1.120.0060.00915.65
7.1.110.0090.00615.64
7.1.100.0090.00816.39
7.1.90.0030.00815.68
7.1.80.0120.00515.50
7.1.70.0100.00215.95
7.1.60.0060.00917.09
7.1.50.0070.01216.05
7.1.40.0100.00315.68
7.1.30.0100.00715.81
7.1.20.0050.01015.62
7.1.10.0110.00915.64
7.1.00.0090.02717.78
7.0.330.0030.01015.43
7.0.320.0070.00714.97
7.0.310.0080.00815.19
7.0.300.0090.00515.10
7.0.290.0060.00915.19
7.0.280.0070.00815.08
7.0.270.0050.00815.05
7.0.260.0070.00915.28
7.0.250.0100.00715.13
7.0.240.0080.00515.09
7.0.230.0120.00515.14
7.0.220.0080.00615.38
7.0.210.0030.01115.24
7.0.200.0040.00715.72
7.0.190.0100.00515.30
7.0.180.0030.01015.36
7.0.170.0090.00315.26
7.0.160.0060.00815.32
7.0.150.0020.00915.34
7.0.140.0040.02817.77
7.0.130.0050.00915.48
7.0.120.0050.01015.45
7.0.110.0090.00515.36
7.0.100.0060.01015.22
7.0.90.0080.00315.19
7.0.80.0080.00415.14
7.0.70.0050.00815.13
7.0.60.0120.02616.71
7.0.50.0070.02316.07
7.0.40.0030.02015.54
7.0.30.0210.02415.52
7.0.20.0120.02115.66
7.0.10.0070.03215.66
7.0.00.0050.01815.55
5.6.400.0060.00314.10
5.6.390.0000.00914.37
5.6.380.0070.00814.16
5.6.370.0000.01314.04
5.6.360.0090.00514.07
5.6.350.0050.01014.15
5.6.340.0030.01314.12
5.6.330.0020.01314.03
5.6.320.0110.00514.36
5.6.310.0080.00614.07
5.6.300.0070.00714.44
5.6.290.0060.00614.21
5.6.280.0060.02816.46
5.6.270.0070.00714.28
5.6.260.0110.00514.09
5.6.250.0080.01014.04
5.6.240.0060.00814.25
5.6.230.0080.00414.08
5.6.220.0090.00414.07
5.6.210.0040.02216.25
5.6.200.0080.02815.44
5.6.190.0060.02116.09
5.6.180.0200.02216.25
5.6.170.0130.02616.32
5.6.160.0070.01816.30
5.6.150.0110.02515.47
5.6.140.0060.03415.49
5.6.130.0030.03415.32
5.6.120.0070.02316.34
5.6.110.0110.02716.39
5.6.100.0100.02216.31
5.6.90.0030.03416.56
5.6.80.0060.02416.17
5.6.70.0040.01114.00
5.6.60.0070.00714.02
5.6.50.0050.00814.05
5.6.40.0100.00714.09
5.6.30.0070.00714.00
5.6.20.0040.01014.09
5.6.10.0050.00813.99
5.6.00.0070.00714.24
5.5.380.0050.00812.56
5.5.370.0030.00612.39
5.5.360.0030.00712.49
5.5.350.0060.02915.10
5.5.340.0080.02914.27
5.5.330.0070.02915.15
5.5.320.0070.02414.86
5.5.310.0100.03215.09
5.5.300.0040.01914.44
5.5.290.0040.02114.30
5.5.280.0070.03215.22
5.5.270.0020.02115.20
5.5.260.0070.02915.29
5.5.250.0050.03215.18
5.5.240.0070.02215.12
5.5.230.0030.00912.53
5.5.220.0070.00612.71
5.5.210.0070.00312.61
5.5.200.0070.00612.54
5.5.190.0070.00712.62
5.5.180.0060.00712.46
5.5.170.0060.00813.90
5.5.160.0090.00312.43
5.5.150.0050.00812.42
5.5.140.0020.01012.37
5.5.130.0040.00912.38
5.5.120.0020.01112.58
5.5.110.0030.01112.43
5.5.100.0000.01212.43
5.5.90.0050.00712.43
5.5.80.0030.01012.51
5.5.70.0060.00612.48
5.5.60.0050.00812.51
5.5.50.0070.00212.48
5.5.40.0040.01012.70
5.5.30.0020.00912.60
5.5.20.0020.00912.46
5.5.10.0050.00712.55
5.5.00.0050.00712.48
5.4.450.0110.02813.70
5.4.440.0090.01813.68
5.4.430.0020.02513.87
5.4.420.0040.02513.65
5.4.410.0110.02113.58
5.4.400.0300.00413.40
5.4.390.0250.00513.41
5.4.380.0110.02413.42
5.4.370.0080.02213.42
5.4.360.0180.02113.46
5.4.350.0100.02213.55
5.4.340.0070.02613.34
5.4.330.0040.00710.89
5.4.320.0060.01411.43
5.4.310.0060.01911.39
5.4.300.0070.01511.47
5.4.290.0030.01711.41
5.4.280.0070.01511.40
5.4.270.0070.01611.36
5.4.260.0060.02011.38
5.4.250.0020.02411.41
5.4.240.0030.02311.39
5.4.230.0060.01411.34
5.4.220.0030.02311.42
5.4.210.0030.02011.33
5.4.200.0050.01511.25
5.4.190.0050.01611.38
5.4.180.0070.01411.38
5.4.170.0060.02011.27
5.4.160.0030.01711.23
5.4.150.0050.02011.33
5.4.140.0050.01711.23
5.4.130.0050.01611.29
5.4.120.0050.01511.09
5.4.110.0040.01811.26
5.4.100.0050.01711.20
5.4.90.0060.01611.24
5.4.80.0040.02011.23
5.4.70.0040.01911.19
5.4.60.0030.01611.12
5.4.50.0050.01811.22
5.4.40.0040.01611.14
5.4.30.0080.01911.13
5.4.20.0040.02011.23
5.4.10.0060.01611.18
5.4.00.0040.01711.08
5.3.290.0070.01711.35
5.3.280.0040.01811.28
5.3.270.0060.01511.25
5.3.260.0040.02611.23
5.3.250.0040.02211.28
5.3.240.0040.02111.26
5.3.230.0030.01811.25
5.3.220.0040.01911.25
5.3.210.0020.01811.26
5.3.200.0070.01311.30
5.3.190.0070.01611.27
5.3.180.0020.01711.30
5.3.170.0010.02011.27
5.3.160.0050.01911.33
5.3.150.0060.01611.30
5.3.140.0050.01711.30
5.3.130.0070.01611.29
5.3.120.0050.01511.29
5.3.110.0050.01911.30
5.3.100.0040.02011.12
5.3.90.0070.01611.13
5.3.80.0060.01511.07
5.3.70.0070.01311.01
5.3.60.0060.00310.60
5.3.50.0070.00210.44
5.3.40.0020.00710.63
5.3.30.0020.00910.61
5.3.20.0050.00610.48
5.3.10.0080.00210.45
5.3.00.0070.00210.46

preferences:
46.18 ms | 400 KiB | 5 Q