3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = [1 => null, 'foo' => null]; var_dump((object)$x);

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)
8.3.40.0060.01218.45
8.3.30.0080.00618.43
8.3.20.0030.00618.97
8.3.10.0040.00423.61
8.3.00.0050.00220.52
8.2.170.0070.00722.96
8.2.160.0100.00322.13
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0070.00019.70
8.2.120.0080.00026.35
8.2.110.0060.00320.41
8.2.100.0100.00317.59
8.2.90.0120.00017.82
8.2.80.0060.00317.97
8.2.70.0000.00817.55
8.2.60.0030.00518.09
8.2.50.0040.00418.10
8.2.40.0040.00419.16
8.2.30.0040.00419.18
8.2.20.0070.00017.90
8.2.10.0000.00818.04
8.2.00.0040.00417.61
8.1.270.0080.00018.82
8.1.260.0030.00326.35
8.1.250.0040.00428.09
8.1.240.0030.00619.13
8.1.230.0050.00520.91
8.1.220.0030.00617.74
8.1.210.0000.00818.84
8.1.200.0090.00317.36
8.1.190.0090.00017.30
8.1.180.0000.00718.10
8.1.170.0000.00818.59
8.1.160.0000.00718.81
8.1.150.0070.00018.86
8.1.140.0000.00722.11
8.1.130.0000.00720.24
8.1.120.0070.00017.38
8.1.110.0000.00717.39
8.1.100.0000.00717.26
8.1.90.0000.00717.26
8.1.80.0000.00717.39
8.1.70.0050.00217.43
8.1.60.0000.00917.53
8.1.50.0060.00317.36
8.1.40.0000.00817.58
8.1.30.0070.00317.59
8.1.20.0000.00817.46
8.1.10.0000.00717.36
8.1.00.0040.00417.35
8.0.300.0070.00019.84
8.0.290.0000.00716.61
8.0.280.0030.00318.29
8.0.270.0030.00316.73
8.0.260.0030.00318.33
8.0.250.0030.00316.87
8.0.240.0030.00316.94
8.0.230.0000.00716.87
8.0.220.0050.00316.80
8.0.210.0020.00516.81
8.0.200.0000.00816.84
8.0.190.0040.00416.74
8.0.180.0000.00716.80
8.0.170.0060.00316.71
8.0.160.0000.00716.89
8.0.150.0000.00716.73
8.0.140.0050.00216.78
8.0.130.0030.00313.20
8.0.120.0000.00716.82
8.0.110.0080.00016.79
8.0.100.0080.00016.70
8.0.90.0070.00016.86
8.0.80.0080.01016.73
8.0.70.0030.00616.70
8.0.60.0040.00416.75
8.0.50.0040.00416.66
8.0.30.0130.01017.25
8.0.20.0110.00817.40
8.0.10.0000.00717.05
8.0.00.0140.00716.52
7.4.330.0020.00215.55
7.4.320.0050.00316.50
7.4.300.0000.00616.38
7.4.290.0050.00316.48
7.4.280.0000.00716.55
7.4.270.0000.00716.39
7.4.260.0000.00716.46
7.4.250.0040.00416.32
7.4.240.0030.00316.49
7.4.230.0000.00716.49
7.4.220.0000.00816.67
7.4.210.0070.00716.54
7.4.200.0000.00716.53
7.4.160.0100.00716.46
7.4.140.0130.00917.86
7.4.130.0110.00716.52
7.4.120.0130.00516.40
7.4.110.0070.01516.37
7.4.100.0120.00416.53
7.4.90.0100.00716.40
7.4.80.0100.01019.39
7.4.70.0090.00916.55
7.4.60.0180.00016.37
7.4.50.0070.00716.58
7.4.40.0090.00916.43
7.4.00.0070.00715.11
7.3.330.0030.00313.06
7.3.320.0030.00313.17
7.3.310.0060.00316.14
7.3.300.0070.00016.29
7.3.290.0070.00016.22
7.3.280.0080.01016.10
7.3.260.0090.00816.26
7.3.240.0090.00916.32
7.3.230.0140.00316.27
7.3.210.0060.01316.14
7.3.200.0060.01116.13
7.3.190.0090.00816.36
7.3.180.0090.00616.20
7.3.170.0030.01716.46
7.3.160.0090.00616.26
7.3.120.0090.00614.72
7.3.110.0030.01314.55
7.3.100.0070.00714.41
7.3.90.0070.01114.56
7.3.80.0040.01114.65
7.3.70.0040.01114.63
7.3.60.0060.00614.46
7.3.50.0120.00014.56
7.3.40.0050.00514.61
7.3.30.0130.00314.59
7.3.20.0100.00316.20
7.3.10.0080.00716.38
7.3.00.0100.00516.40
7.2.330.0180.00016.46
7.2.320.0130.00616.33
7.2.310.0080.00816.32
7.2.300.0110.00816.58
7.2.290.0120.00816.35
7.2.240.0040.01514.74
7.2.230.0030.01114.92
7.2.220.0110.00014.89
7.2.210.0040.01114.85
7.2.200.0090.00314.89
7.2.190.0080.00614.68
7.2.180.0040.01114.95
7.2.170.0110.00714.99
7.2.160.0030.00714.98
7.2.150.0080.00316.97
7.2.140.0120.00316.83
7.2.130.0080.01116.65
7.2.120.0080.00716.56
7.2.110.0080.00816.55
7.2.100.0100.00616.53
7.2.90.0080.00816.52
7.2.80.0110.00616.47
7.2.70.0050.00916.72
7.2.60.0020.01016.66
7.2.50.0100.00916.66
7.2.40.0060.00616.72
7.2.30.0070.00816.72
7.2.20.0060.00916.64
7.2.10.0090.00716.62
7.2.00.0090.00916.72
7.1.330.0000.01715.80
7.1.320.0080.00815.72
7.1.310.0060.01015.95
7.1.300.0110.00415.77
7.1.290.0000.01415.63
7.1.280.0000.01315.72
7.1.270.0030.01015.48
7.1.260.0030.00615.67
7.1.250.0060.00615.67
7.1.230.0090.00515.39
7.1.220.0050.01015.69
7.1.210.0090.00515.47
7.1.200.0090.00315.76
7.1.190.0060.00615.55
7.1.180.0100.00515.58
7.1.170.0070.00615.57
7.1.160.0060.00815.57
7.1.150.0060.00815.84
7.1.140.0060.00715.73
7.1.130.0080.00915.70
7.1.120.0070.00715.70
7.1.110.0070.00915.67
7.1.100.0060.00715.78
7.1.90.0090.00415.65
7.1.80.0210.00514.79
7.1.70.0110.00515.56
7.1.60.0230.01533.73
7.1.50.0300.00733.49
7.1.40.0320.00533.64
7.1.30.0240.01133.66
7.1.20.0280.01133.55
7.1.10.0060.00815.57
7.1.00.0080.00815.66
7.0.310.0140.00715.47
7.0.300.0120.00815.28
7.0.290.0170.00415.32
7.0.280.0080.00715.31
7.0.270.0130.01015.06
7.0.260.0210.00015.52
7.0.250.0090.00915.55
7.0.240.0130.00815.18
7.0.230.0340.00315.37
7.0.220.0200.00015.32
7.0.210.0110.00615.16
7.0.200.0070.01415.23
7.0.190.0090.00915.11
7.0.180.0110.00915.36
7.0.170.0070.01115.31
7.0.160.0140.01015.39
7.0.150.0160.00415.05
7.0.140.0110.01115.52
7.0.130.0120.00815.17
7.0.120.0070.01415.05
7.0.110.0200.00015.26
7.0.100.0060.01315.37
7.0.90.0150.00415.38
7.0.80.0150.00615.39
7.0.70.0250.01013.50
7.0.60.0240.00613.56
7.0.50.0330.00413.73
7.0.40.0170.01013.57
7.0.30.0180.01113.59
7.0.20.0210.00613.67
7.0.10.0170.01013.49
7.0.00.0230.00613.49
5.6.380.0030.01014.20
5.6.370.0120.00814.17
5.6.360.0220.00014.21
5.6.350.0170.00614.30
5.6.340.0160.00414.30
5.6.330.0110.00914.07
5.6.320.0160.00514.34
5.6.310.0150.00614.15
5.6.300.0180.00414.55
5.6.290.0150.00614.25
5.6.280.0110.01114.24
5.6.270.0130.00613.96
5.6.260.0140.00714.31
5.6.250.0100.01114.35
5.6.240.0150.00514.49
5.6.230.0120.00814.28
5.6.220.0060.01714.16
5.6.210.0120.00614.26
5.6.200.0120.00914.41
5.6.190.0140.00814.27
5.6.180.0110.00814.33
5.6.170.0140.00714.18
5.6.160.0170.00314.00
5.6.150.0130.00813.95
5.6.140.0120.01214.32
5.6.130.0160.00514.18
5.6.120.0140.00614.38
5.6.110.0090.01414.03
5.6.100.0110.00714.48
5.6.90.0150.00714.09
5.6.80.0080.01114.22
5.6.70.0150.00614.14
5.6.60.0110.00814.37
5.6.50.0140.00614.30
5.6.40.0070.01514.42
5.6.30.0070.01414.36
5.6.20.0070.01414.19
5.6.10.0000.01813.94
5.6.00.0140.00614.14
5.5.380.0100.00611.29
5.5.370.0090.00711.29
5.5.360.0070.00711.29
5.5.350.0080.00811.29
5.5.340.0110.00411.29
5.5.330.0060.00811.29
5.5.320.0080.00811.29
5.5.310.0120.00311.29
5.5.300.0040.01211.29
5.5.290.0080.00811.29
5.5.280.0060.00911.29
5.5.270.0110.00611.29
5.5.260.0120.00311.29
5.5.250.0090.00511.29
5.5.240.0090.00411.29
5.5.230.0100.00511.29
5.5.220.0040.00911.29
5.5.210.0100.00511.29
5.5.200.0070.00711.29
5.5.190.0080.00411.29
5.5.180.0130.00311.29
5.5.170.0050.01614.07
5.5.160.0070.00711.29
5.5.150.0100.00411.29
5.5.140.0110.00611.29
5.5.130.0130.00211.29
5.5.120.0110.00611.29
5.5.110.0120.00311.29
5.5.100.0110.00511.29
5.5.90.0060.00911.29
5.5.80.0140.00311.29
5.5.70.0110.00511.29
5.5.60.0000.01611.29
5.5.50.0120.00211.29
5.5.40.0090.00611.29
5.5.30.0030.01311.29
5.5.20.0080.00811.29
5.5.10.0080.00811.29
5.5.00.0080.00611.29
5.4.450.0090.00611.29
5.4.440.0120.00511.29
5.4.430.0060.00911.29
5.4.420.0100.00611.29
5.4.410.0030.01111.29
5.4.400.0000.01411.29
5.4.390.0090.00611.29
5.4.380.0130.00211.29
5.4.370.0090.00611.29
5.4.360.0100.00311.29
5.4.350.0060.00711.29
5.4.340.0050.01011.29
5.4.330.0120.00411.29
5.4.320.0070.00711.29
5.4.310.0090.00411.29
5.4.300.0100.00511.29
5.4.290.0150.00011.29
5.4.280.0090.00611.29
5.4.270.0090.00911.29
5.4.260.0090.00511.29
5.4.250.0150.00011.29
5.4.240.0100.00311.29
5.4.230.0090.00911.29
5.4.220.0080.00811.29
5.4.210.0040.00911.29
5.4.200.0070.01011.29
5.4.190.0120.00311.29
5.4.180.0030.01211.29
5.4.170.0090.00511.29
5.4.160.0040.01111.29
5.4.150.0100.00311.29
5.4.140.0120.00411.29
5.4.130.0030.01211.29
5.4.120.0050.01011.29
5.4.110.0150.00011.29
5.4.100.0120.00411.29
5.4.90.0070.00711.29
5.4.80.0060.00911.29
5.4.70.0080.00511.29
5.4.60.0100.00511.29
5.4.50.0080.00411.29
5.4.40.0120.00411.29
5.4.30.0040.01111.29
5.4.20.0030.00911.29
5.4.10.0100.00511.29
5.4.00.0070.00711.29
5.3.290.0130.00011.29
5.3.280.0110.00011.29
5.3.270.0110.00411.29
5.3.260.0110.00411.29
5.3.250.0140.00011.29
5.3.240.0070.00711.29
5.3.230.0060.00911.29
5.3.220.0080.00811.29
5.3.210.0080.00511.29
5.3.200.0070.00711.29
5.3.190.0070.00711.29
5.3.180.0100.00511.29
5.3.170.0100.00511.29
5.3.160.0060.00811.29
5.3.150.0070.00711.29
5.3.140.0070.00711.29
5.3.130.0120.00011.29
5.3.120.0080.00811.29
5.3.110.0150.00011.29
5.3.100.0150.00011.29
5.3.90.0060.00611.29
5.3.80.0100.00311.29
5.3.70.0110.00411.29
5.3.60.0090.00611.29
5.3.50.0130.00011.29
5.3.40.0040.00911.29
5.3.30.0060.00611.29
5.3.20.0060.00611.29
5.3.10.0040.01111.29
5.3.00.0050.00911.29
5.2.170.0050.00611.29
5.2.160.0060.00611.29
5.2.150.0030.00811.29
5.2.140.0120.00011.29
5.2.130.0070.00411.29
5.2.120.0080.00411.29
5.2.110.0040.00811.29
5.2.100.0090.00211.29
5.2.90.0070.00411.29
5.2.80.0080.00311.29
5.2.70.0070.00311.29
5.2.60.0130.00011.29
5.2.50.0050.00511.29
5.2.40.0100.00311.29
5.2.30.0000.01111.29
5.2.20.0090.00011.29
5.2.10.0030.00611.29
5.2.00.0000.00911.29
5.1.60.0050.00511.29
5.1.50.0060.00611.29
5.1.40.0090.00011.29
5.1.30.0070.00311.29
5.1.20.0030.00711.29
5.1.10.0090.00011.29
5.1.00.0110.00011.29
5.0.50.0050.00311.29
5.0.40.0070.00411.29
5.0.30.0060.00311.29
5.0.20.0000.00711.29
5.0.10.0080.00011.29
5.0.00.0100.00011.29
4.4.90.0000.00811.29
4.4.80.0000.00711.29
4.4.70.0070.00011.29
4.4.60.0000.00611.29
4.4.50.0080.00011.29
4.4.40.0060.00311.29
4.4.30.0000.00711.29
4.4.20.0040.00211.29
4.4.10.0040.00211.29
4.4.00.0000.01011.29
4.3.110.0040.00411.29
4.3.100.0040.00211.29
4.3.90.0060.00011.29
4.3.80.0030.00311.29
4.3.70.0060.00211.29
4.3.60.0060.00011.29
4.3.50.0080.00011.29
4.3.40.0070.00011.29
4.3.30.0040.00211.29
4.3.20.0000.00611.29
4.3.10.0060.00311.29
4.3.00.0040.00211.29

preferences:
45.35 ms | 400 KiB | 5 Q