3v4l.org

run code in 300+ PHP versions simultaneously
<?php $counts = []; $item = 1; $counts[$item] ?? $counts[$item] = 1 ?? $counts[$item]++; $item = new StdClass; @$counts[$item] = "This is a bad use of error suppression."; var_dump($counts);

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)
8.3.40.0090.01218.66
8.3.30.0080.00818.79
8.3.20.0040.00420.27
8.3.10.0000.00821.76
8.3.00.0080.00021.60
8.2.170.0030.01322.96
8.2.160.0080.00520.38
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0080.00021.18
8.2.120.0040.00426.35
8.2.110.0060.00320.89
8.2.100.0090.00318.05
8.2.90.0040.00419.41
8.2.80.0000.00817.97
8.2.70.0050.00517.75
8.2.60.0090.00018.05
8.2.50.0030.00618.09
8.2.40.0040.00422.33
8.2.30.0000.00719.41
8.2.20.0000.00717.68
8.2.10.0000.00718.18
8.2.00.0000.00718.18
8.1.270.0090.00022.24
8.1.260.0040.00428.09
8.1.250.0080.00028.09
8.1.240.0070.00322.21
8.1.230.0040.00717.77
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0060.00317.22
8.1.190.0080.00017.22
8.1.180.0030.00518.10
8.1.170.0060.00318.53
8.1.160.0000.00820.81
8.1.150.0110.00018.76
8.1.140.0000.00919.48
8.1.130.0050.00317.61
8.1.120.0000.00717.50
8.1.110.0000.00717.34
8.1.100.0040.00417.44
8.1.90.0040.00417.50
8.1.80.0070.00317.35
8.1.70.0000.00717.32
8.1.60.0040.00417.56
8.1.50.0000.00917.56
8.1.40.0030.00617.53
8.1.30.0030.00617.70
8.1.20.0000.00817.65
8.1.10.0000.00817.43
8.1.00.0000.00817.40
8.0.300.0040.00418.78
8.0.290.0070.00016.59
8.0.280.0070.00018.37
8.0.270.0000.00717.27
8.0.260.0030.00317.20
8.0.250.0030.00317.04
8.0.240.0060.00316.91
8.0.230.0030.00316.95
8.0.220.0040.00416.89
8.0.210.0070.00016.80
8.0.200.0060.00016.88
8.0.190.0060.00617.00
8.0.180.0000.00716.93
8.0.170.0030.00616.88
8.0.160.0040.00416.96
8.0.150.0070.00016.89
8.0.140.0070.00316.88
8.0.130.0050.00013.38
8.0.120.0000.00816.77
8.0.110.0050.00316.89
8.0.100.0040.00416.93
8.0.90.0040.00416.86
8.0.80.0000.01816.98
8.0.70.0030.00516.87
8.0.60.0000.00716.99
8.0.50.0040.00416.85
8.0.30.0110.00817.04
8.0.20.0070.01217.42
8.0.10.0050.00217.14
8.0.00.0100.00716.81
7.4.330.0030.00316.70
7.4.320.0000.00616.55
7.4.300.0070.00016.50
7.4.290.0030.00316.50
7.4.280.0080.00016.60
7.4.270.0000.00716.52
7.4.260.0070.00316.52
7.4.250.0000.00716.48
7.4.240.0000.00716.39
7.4.230.0000.00716.53
7.4.220.0090.00916.62
7.4.210.0080.00616.60
7.4.200.0000.00716.63
7.4.160.0090.00616.35
7.4.150.0090.00917.40
7.4.140.0130.01017.86
7.4.130.0100.01216.56
7.4.120.0110.00616.52
7.4.110.0200.00016.46
7.4.100.0110.00616.51
7.4.90.0060.01216.45
7.4.80.0150.00319.39
7.4.70.0080.00816.67
7.4.60.0110.00716.51
7.4.50.0000.01416.65
7.4.40.0100.01016.46
7.4.30.0090.00916.57
7.4.00.0070.01215.19
7.3.330.0000.00613.08
7.3.320.0060.00013.20
7.3.310.0030.00316.22
7.3.300.0070.00016.31
7.3.290.0030.00316.37
7.3.280.0120.00616.37
7.3.270.0140.00417.40
7.3.260.0120.01216.41
7.3.250.0080.01016.50
7.3.240.0130.00516.61
7.3.230.0100.00716.39
7.3.210.0100.00716.44
7.3.200.0140.00719.39
7.3.190.0150.00316.29
7.3.180.0070.01016.44
7.3.170.0120.00616.48
7.3.160.0100.01016.50
7.3.120.0090.00914.45
7.3.110.0110.00614.74
7.3.100.0030.00914.92
7.3.90.0060.01014.63
7.3.80.0100.00014.94
7.3.70.0060.00614.67
7.3.60.0040.01114.72
7.3.50.0030.01014.93
7.3.40.0040.01114.95
7.3.30.0100.00314.86
7.3.20.0100.00016.73
7.3.10.0040.01016.16
7.3.00.0070.00916.65
7.2.330.0130.00816.81
7.2.320.0100.01016.54
7.2.310.0060.01216.52
7.2.300.0060.01216.64
7.2.290.0090.00616.57
7.2.250.0070.01114.89
7.2.240.0060.00814.92
7.2.230.0040.01115.12
7.2.220.0060.00914.60
7.2.210.0070.00715.30
7.2.200.0040.01115.00
7.2.190.0070.01015.25
7.2.180.0090.00914.72
7.2.170.0040.00714.82
7.2.160.0030.01215.06
7.2.150.0060.00617.00
7.2.140.0030.01016.54
7.2.130.0080.00516.69
7.2.120.0080.00616.56
7.2.110.0130.00216.59
7.2.100.0040.01116.43
7.2.90.0140.00516.55
7.2.80.0120.00816.45
7.2.70.0100.00416.70
7.2.60.0060.00916.65
7.2.50.0120.00416.87
7.2.40.0080.00816.71
7.2.30.0120.00616.41
7.2.20.0110.00716.70
7.2.10.0170.00216.54
7.2.00.0080.00917.75
7.1.330.0030.01315.86
7.1.320.0070.00715.86
7.1.310.0030.01515.73
7.1.300.0100.00315.81
7.1.290.0100.00315.78
7.1.280.0040.01116.00
7.1.270.0030.00615.93
7.1.260.0110.00315.85
7.1.250.0020.00815.60
7.1.240.0040.01115.71
7.1.230.0030.00615.79
7.1.220.0040.00815.77
7.1.210.0060.00915.67
7.1.200.0060.00715.79
7.1.190.0110.00015.84
7.1.180.0060.00615.78
7.1.170.0030.01215.90
7.1.160.0060.01015.84
7.1.150.0030.01015.80
7.1.140.0090.00615.73
7.1.130.0080.00815.39
7.1.120.0090.00315.83
7.1.110.0100.00316.02
7.1.100.0070.00617.09
7.1.90.0060.00615.82
7.1.80.0080.00415.75
7.1.70.0070.00316.39
7.1.60.0050.01017.55
7.1.50.0050.00916.19
7.1.40.0100.00315.82
7.1.30.0090.00915.93
7.1.20.0110.00415.91
7.1.10.0080.00415.91
7.1.00.0010.04119.01
7.0.330.0000.00915.17
7.0.320.0100.00315.21
7.0.310.0030.00715.19
7.0.300.0040.00815.50
7.0.290.0030.00715.26
7.0.280.0040.00415.40
7.0.270.0070.00715.24
7.0.260.0070.00415.33
7.0.250.0030.01215.29
7.0.240.0000.00915.45
7.0.230.0060.00915.39
7.0.220.0030.01015.16
7.0.210.0090.00615.57
7.0.200.0380.00714.87
7.0.190.0000.01315.19
7.0.180.0040.00715.22
7.0.170.0070.00715.39
7.0.160.0120.00615.41
7.0.150.0090.00615.54
7.0.140.0030.00515.44
7.0.130.0030.00915.46
7.0.120.0090.00315.29
7.0.110.0090.00015.50
7.0.100.0030.00615.59
7.0.90.0090.00315.48
7.0.80.0040.01115.52
7.0.70.0060.00615.26
7.0.60.0150.04218.54
7.0.50.0030.03616.41
7.0.40.0000.03016.90
7.0.30.0120.02816.88
7.0.20.0170.03716.91
7.0.10.0120.03516.71
7.0.00.0070.02416.69
5.6.400.0030.00914.02
5.6.390.0060.00914.13
5.6.380.0060.00614.02
5.6.370.0090.00614.26
5.6.360.0040.00714.23
5.6.350.0060.00613.96
5.6.340.0000.01514.31
5.6.330.0030.01314.07
5.6.320.0080.00814.21
5.6.310.0000.01114.34
5.6.300.0000.01513.83
5.6.290.0050.00514.16
5.6.280.0070.03017.52
5.6.270.0000.01214.02
5.6.260.0080.00413.99
5.6.250.0090.00013.97
5.6.240.0060.00614.21
5.6.230.0090.00614.09
5.6.220.0000.01214.02
5.6.210.0070.04417.30
5.6.200.0080.03416.15
5.6.190.0030.03517.28
5.6.180.0120.03817.44
5.6.170.0170.02517.23
5.6.160.0020.04417.35
5.6.150.0100.04216.31
5.6.140.0050.02816.20
5.6.130.0060.04616.08
5.6.120.0070.04217.62
5.6.110.0050.04417.66
5.6.100.0100.04217.61
5.6.90.0050.05417.41
5.6.80.0100.03617.27
5.6.70.0000.01114.23
5.6.60.0000.01313.94
5.6.50.0080.00014.25
5.6.40.0000.01313.82
5.6.30.0080.00414.06
5.6.20.0090.00614.13
5.6.10.0040.00813.97
5.6.00.0030.01014.11
5.5.380.0030.01014.34
5.5.370.0040.01114.05
5.5.360.0040.01114.11
5.5.350.0180.04317.20
5.5.340.0120.03516.14
5.5.330.0070.03817.18
5.5.320.0140.03916.95
5.5.310.0200.03317.12
5.5.300.0090.02016.09
5.5.290.0090.04216.05
5.5.280.0030.04817.42
5.5.270.0060.02517.46
5.5.260.0080.04517.55
5.5.250.0120.04117.40
5.5.240.0120.04117.10
5.5.230.0120.00014.25
5.5.220.0040.00714.10
5.5.210.0110.00313.84
5.5.200.0000.00813.68
5.5.190.0090.00613.91
5.5.180.0060.00614.04
5.5.170.0100.00013.88
5.5.160.0030.00714.11
5.5.150.0060.00914.14
5.5.140.0000.01514.10
5.5.130.0030.01013.72
5.5.120.0090.00614.02
5.5.110.0100.00713.79
5.5.100.0030.00714.01
5.5.90.0060.00914.08
5.5.80.0040.00813.92
5.5.70.0040.01113.67
5.5.60.0120.00013.80
5.5.50.0030.01014.20
5.5.40.0070.00713.97
5.5.30.0110.00013.89
5.5.20.0060.00813.94
5.5.10.0000.00813.64
5.5.00.0100.00014.06

preferences:
46.39 ms | 400 KiB | 5 Q