3v4l.org

run code in 300+ PHP versions simultaneously
<?php $counts = array(); $item = 2; $counts[$item] = $counts[$item]++ ?? 1; var_dump($counts); $counts[$item] = $counts[$item]++ ?? 1; 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)
8.3.60.0120.00318.56
8.3.50.0160.00716.47
8.3.40.0110.00718.68
8.3.30.0110.00418.71
8.3.20.0000.00720.16
8.3.10.0070.00021.90
8.3.00.0000.00921.75
8.2.180.0110.01116.63
8.2.170.0120.00322.96
8.2.160.0070.00720.44
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0040.00421.04
8.2.120.0000.00726.35
8.2.110.0030.00820.97
8.2.100.0090.00317.78
8.2.90.0040.00419.27
8.2.80.0040.00917.97
8.2.70.0030.00517.75
8.2.60.0030.00517.80
8.2.50.0040.00418.07
8.2.40.0050.00318.35
8.2.30.0000.00717.97
8.2.20.0040.00417.68
8.2.10.0080.00017.93
8.2.00.0000.00717.97
8.1.280.0150.00725.92
8.1.270.0080.00022.09
8.1.260.0040.00428.09
8.1.250.0070.00028.09
8.1.240.0030.00722.62
8.1.230.0040.00818.92
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0060.00317.23
8.1.190.0060.00317.36
8.1.180.0040.00418.10
8.1.170.0080.00018.83
8.1.160.0040.00418.87
8.1.150.0100.00018.81
8.1.140.0040.00419.38
8.1.130.0070.00017.51
8.1.120.0040.00417.42
8.1.110.0030.00517.39
8.1.100.0030.00517.28
8.1.90.0040.00417.29
8.1.80.0040.00717.25
8.1.70.0070.00017.38
8.1.60.0030.00617.61
8.1.50.0000.00917.41
8.1.40.0060.00317.51
8.1.30.0030.00617.72
8.1.20.0050.00217.68
8.1.10.0000.00817.49
8.1.00.0080.00017.45
8.0.300.0040.00418.77
8.0.290.0030.00616.58
8.0.280.0000.00718.42
8.0.270.0000.00717.19
8.0.260.0000.00617.20
8.0.250.0000.00616.96
8.0.240.0040.00416.93
8.0.230.0030.00316.96
8.0.220.0030.00716.84
8.0.210.0000.00716.93
8.0.200.0060.00017.01
8.0.190.0000.00716.98
8.0.180.0000.00816.83
8.0.170.0040.00416.83
8.0.160.0000.00716.96
8.0.150.0000.00716.83
8.0.140.0040.00316.89
8.0.130.0030.00313.31
8.0.120.0040.00416.79
8.0.110.0030.00616.88
8.0.100.0000.00716.68
8.0.90.0000.00716.95
8.0.80.0060.01016.79
8.0.70.0040.00416.78
8.0.60.0000.00816.67
8.0.50.0030.00316.86
8.0.30.0130.00517.22
8.0.20.0110.01017.40
8.0.10.0050.00316.89
8.0.00.0110.00616.79
7.4.330.0050.00016.79
7.4.320.0000.00616.43
7.4.300.0040.00416.48
7.4.290.0030.00316.45
7.4.280.0050.00316.57
7.4.270.0040.00416.43
7.4.260.0030.00316.51
7.4.250.0040.00416.54
7.4.240.0030.00316.59
7.4.230.0000.00716.54
7.4.220.0070.01116.39
7.4.210.0100.00316.54
7.4.200.0030.00316.47
7.4.160.0080.00816.52
7.4.150.0130.00517.40
7.4.140.0090.01217.86
7.4.130.0030.01716.63
7.4.120.0130.00716.45
7.4.110.0120.00616.54
7.4.100.0130.00816.67
7.4.90.0070.01016.41
7.4.80.0180.00619.39
7.4.70.0070.01016.36
7.4.60.0060.01216.41
7.4.50.0030.01016.62
7.4.40.0180.00316.34
7.4.30.0080.00816.50
7.4.00.0120.00515.07
7.3.330.0070.00013.23
7.3.320.0050.00013.18
7.3.310.0060.00016.41
7.3.300.0040.00416.39
7.3.290.0090.00716.38
7.3.280.0040.01116.38
7.3.270.0140.00717.40
7.3.260.0170.00316.29
7.3.250.0080.01416.47
7.3.240.0100.00816.54
7.3.230.0060.01116.69
7.3.210.0070.01016.55
7.3.200.0110.01019.39
7.3.190.0060.00916.45
7.3.180.0090.00916.46
7.3.170.0110.00716.28
7.3.160.0120.00416.39
7.3.120.0000.01814.80
7.3.110.0110.00714.93
7.3.100.0000.01614.84
7.3.90.0070.01014.91
7.3.80.0070.01015.08
7.3.70.0060.00614.86
7.3.60.0000.01214.89
7.3.50.0110.00414.86
7.3.40.0110.00414.85
7.3.30.0090.00014.77
7.3.20.0030.00916.54
7.3.10.0090.00016.68
7.3.00.0030.01016.63
7.2.330.0070.01516.51
7.2.320.0090.01316.66
7.2.310.0090.00616.66
7.2.300.0090.01216.28
7.2.290.0090.00616.49
7.2.250.0060.01014.62
7.2.240.0070.01414.93
7.2.230.0030.01115.03
7.2.220.0030.01015.05
7.2.210.0030.00615.05
7.2.200.0060.01014.86
7.2.190.0080.00314.90
7.2.180.0070.00314.65
7.2.170.0030.00714.79
7.2.80.0040.00816.65
7.2.60.0060.00616.75
7.2.00.0030.01319.13
7.1.330.0060.00915.93
7.1.320.0090.00615.64
7.1.310.0030.01215.72
7.1.300.0110.00415.87
7.1.290.0030.00915.46
7.1.280.0030.01315.76
7.1.270.0060.00315.79
7.1.260.0030.01015.86
7.1.200.0190.00415.81
7.1.100.0000.01117.95
7.1.70.0040.00417.24
7.1.60.0130.01019.40
7.1.50.0090.01216.87
7.1.00.0070.07322.44
7.0.200.0090.00614.98
7.0.60.0170.07721.66
7.0.50.0100.07717.90
7.0.40.0070.05020.05
7.0.30.0270.07020.20
7.0.20.0230.09020.30
7.0.10.0000.04720.23
7.0.00.0070.07720.10
5.6.280.0030.03021.11
5.6.210.0130.07320.44
5.6.200.0070.04318.16
5.6.190.0000.04320.59
5.6.180.0330.06320.57
5.6.170.0300.08320.48
5.6.160.0030.05020.42
5.6.150.0030.07318.14
5.6.140.0070.08018.12
5.6.130.0100.08018.14
5.6.120.0070.03721.03
5.6.110.0100.04020.97
5.6.100.0100.04720.97
5.6.90.0070.04021.01
5.6.80.0100.07720.38
5.5.350.0430.06320.46
5.5.340.0070.08018.01
5.5.330.0070.04020.21
5.5.320.0670.06320.37
5.5.310.0200.05720.41
5.5.300.0000.04318.03
5.5.290.0130.08018.02
5.5.280.0100.08020.86
5.5.270.0030.05320.86
5.5.260.0070.08320.86
5.5.250.0100.07720.71
5.5.240.0200.07720.15

preferences:
45.82 ms | 400 KiB | 5 Q