3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { private $a = 0; } $a = new A(); $b = (object)[chr(0) . 'A' . chr(0) . 'a' => 1]; $c = json_decode('{ "' . chr(0) . 'A' . chr(0) . 'a' . '":"2" }', true); echo $c->{chr(0) . 'A' . chr(0) . 'a'}; echo $b->{chr(0) . 'A' . chr(0) . 'a'}; echo $a->{chr(0) . 'A' . chr(0) . '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)
8.3.60.0120.00418.43
8.3.50.0040.01116.16
8.3.40.0060.01218.86
8.3.30.0090.00618.52
8.3.20.0050.00318.98
8.3.10.0050.00321.89
8.3.00.0090.00019.54
8.2.180.0200.00318.30
8.2.170.0160.00622.96
8.2.160.0030.01020.53
8.2.150.0110.00325.66
8.2.140.0040.00424.66
8.2.130.0070.00022.25
8.2.120.0000.00726.35
8.2.110.0190.00020.98
8.2.100.0070.00419.95
8.2.90.0050.00319.29
8.2.80.0040.00418.03
8.2.70.0000.00818.16
8.2.60.0040.00418.21
8.2.50.0000.00818.10
8.2.40.0040.00420.42
8.2.30.0040.00419.25
8.2.20.0000.00717.96
8.2.10.0000.00717.96
8.2.00.0000.00718.00
8.1.280.0110.01125.92
8.1.270.0040.00422.26
8.1.260.0080.00026.35
8.1.250.0000.00828.09
8.1.240.0000.00922.19
8.1.230.0060.00619.01
8.1.220.0060.00317.78
8.1.210.0040.00418.77
8.1.200.0100.00017.23
8.1.190.0030.00717.22
8.1.180.0080.00018.10
8.1.170.0030.00618.57
8.1.160.0070.00018.94
8.1.150.0060.00318.78
8.1.140.0030.00719.58
8.1.130.0030.00318.78
8.1.120.0050.00217.41
8.1.110.0040.00417.44
8.1.100.0030.00517.46
8.1.90.0040.00317.36
8.1.80.0000.00817.37
8.1.70.0050.00317.47
8.1.60.0060.00317.49
8.1.50.0050.00317.60
8.1.40.0030.00617.58
8.1.30.0060.00317.50
8.1.20.0060.00317.71
8.1.10.0040.00417.57
8.1.00.0000.00717.57
8.0.300.0030.00619.77
8.0.290.0040.00416.75
8.0.280.0000.00718.38
8.0.270.0030.00317.32
8.0.260.0050.00316.77
8.0.250.0080.00017.07
8.0.240.0000.00916.86
8.0.230.0000.00716.99
8.0.220.0030.00316.83
8.0.210.0050.00316.86
8.0.200.0030.00316.93
8.0.190.0000.00916.99
8.0.180.0050.00316.94
8.0.170.0030.00316.80
8.0.160.0030.00316.93
8.0.150.0050.00316.86
8.0.140.0000.00816.84
8.0.130.0000.00513.38
8.0.120.0000.00716.91
8.0.110.0000.00716.86
8.0.100.0040.00416.84
8.0.90.0000.00716.92
8.0.80.0160.00816.87
8.0.70.0070.00016.85
8.0.60.0040.00616.87
8.0.50.0000.00816.91
8.0.30.0120.00717.27
8.0.20.0130.00817.40
8.0.10.0040.00417.21
8.0.00.0070.01016.84
7.4.330.0020.00215.55
7.4.320.0030.00316.53
7.4.300.0050.00216.43
7.4.290.0030.00516.43
7.4.280.0000.00716.58
7.4.270.0000.00716.61
7.4.260.0030.00313.29
7.4.250.0040.00416.48
7.4.240.0030.00316.50
7.4.230.0040.00416.52
7.4.220.0150.00316.68
7.4.210.0080.00916.59
7.4.200.0050.00216.63
7.4.160.0120.00716.35
7.4.150.0160.00317.40
7.4.140.0110.01117.86
7.4.130.0140.00716.54
7.4.120.0100.00916.54
7.4.110.0100.01316.42
7.4.100.0150.00616.65
7.4.90.0070.01016.57
7.4.80.0060.01019.39
7.4.70.0120.00316.58
7.4.60.0120.00416.54
7.4.50.0070.01116.42
7.4.40.0090.00616.55
7.4.30.0100.00716.52
7.4.00.0070.01114.91
7.3.330.0050.00013.25
7.3.320.0000.00513.24
7.3.310.0030.00316.31
7.3.300.0030.00316.35
7.3.290.0070.00016.35
7.3.280.0080.00916.28
7.3.270.0090.00917.40
7.3.260.0100.00616.36
7.3.250.0080.01116.39
7.3.240.0120.00416.40
7.3.230.0170.00316.43
7.3.210.0070.01016.41
7.3.200.0130.00916.55
7.3.190.0080.01116.55
7.3.180.0060.01516.59
7.3.170.0130.00516.37
7.3.160.0070.01016.27
7.3.120.0030.01014.72
7.3.110.0040.01214.82
7.3.100.0040.01114.82
7.3.90.0060.00914.76
7.3.80.0090.00614.80
7.3.70.0040.01114.59
7.3.60.0080.00814.71
7.3.50.0070.00714.74
7.3.40.0030.00714.79
7.3.30.0000.00914.83
7.3.20.0100.01016.52
7.3.10.0140.00616.33
7.3.00.0060.01216.29
7.2.330.0120.00916.36
7.2.320.0070.01016.34
7.2.310.0090.00916.71
7.2.300.0120.00616.57
7.2.290.0090.00916.79
7.2.240.0090.01115.09
7.2.230.0040.01114.90
7.2.220.0000.01815.01
7.2.210.0040.00814.77
7.2.200.0000.01014.96
7.2.190.0070.00314.90
7.2.180.0080.00714.89
7.2.170.0090.00615.13
7.2.160.0000.01715.00
7.2.150.0110.00316.78
7.2.140.0060.00917.02
7.2.130.0100.00816.65
7.2.120.0120.00716.60
7.2.110.0160.00416.62
7.2.100.0100.00716.63
7.2.90.0150.00516.81
7.2.80.0100.01216.63
7.2.70.0110.01116.69
7.2.60.0130.00716.89
7.2.50.0160.00516.64
7.2.40.0090.01416.66
7.2.30.0090.01216.74
7.2.20.0090.01016.78
7.2.10.0150.00816.69
7.2.00.0070.01017.66
7.1.330.0000.01715.92
7.1.320.0030.01415.88
7.1.310.0000.01515.69
7.1.300.0070.00715.71
7.1.290.0040.01115.56
7.1.280.0060.01115.70
7.1.270.0030.00715.54
7.1.260.0030.01415.58
7.1.250.0140.00515.40
7.1.200.0070.00415.71
7.1.100.0000.01017.87
7.1.70.0000.00716.85
7.1.60.0300.02033.43
7.1.50.0430.02032.73
7.1.40.0330.02732.52
7.1.30.0400.01032.80
7.1.20.0370.01032.70
7.1.10.1400.02314.71
7.1.00.0030.01714.73
7.0.200.1870.01715.08
7.0.190.0630.02714.84
7.0.180.0000.01314.45
7.0.170.0130.00714.44
7.0.160.0070.01314.36
7.0.150.1370.01714.43
7.0.140.0170.01314.53
7.0.130.0070.01714.82
7.0.120.0170.00714.77
7.0.110.1870.01014.52
7.0.100.0070.01014.40
7.0.90.1830.00714.66
7.0.80.2270.01014.60
7.0.70.0030.01714.54
7.0.60.1470.02014.39
7.0.50.0030.01714.25
7.0.40.2170.01014.67
7.0.30.0130.00714.58
7.0.20.0070.01714.60
7.0.10.2230.01014.59
7.0.00.0770.02014.45

preferences:
57.36 ms | 401 KiB | 5 Q