3v4l.org

run code in 300+ PHP versions simultaneously
<?php /* var_dump returning a string, in case we need it, for example to log it to a file, example: error_log("Something something: ", var_dump_str($someArray)); */ function var_dump_str(...$v){ ob_start(); var_dump(...$v); return ob_get_clean(); } ////////// //tests $exampleVar = 'referenced var'; $exampleArray = [ 'x' => 'blah', 'referenced' => &$exampleVar, ]; echo "result: " . var_dump_str($exampleArray);

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)
8.5.10.0100.00816.58
8.5.00.0170.00719.90
8.4.150.0020.00014.05
8.4.140.0150.00617.41
8.4.130.0090.00417.93
8.4.120.0010.00820.26
8.4.110.0060.00218.60
8.4.100.0060.00317.60
8.4.90.0080.01220.60
8.4.80.0100.00918.75
8.4.70.0040.00819.10
8.4.60.0100.01020.39
8.4.50.0130.00718.73
8.4.40.0100.01017.60
8.4.30.0120.00417.59
8.4.20.0090.01217.85
8.4.10.0100.00719.36
8.3.280.0140.00618.48
8.3.270.0100.00916.50
8.3.260.0120.00616.61
8.3.250.0120.00716.42
8.3.240.0110.00916.86
8.3.230.0120.00816.55
8.3.220.0060.01219.04
8.3.210.0120.00716.79
8.3.200.0040.00516.45
8.3.190.0090.00817.22
8.3.180.0100.00520.93
8.3.170.0070.01117.13
8.3.160.0110.00716.41
8.3.150.0140.00416.57
8.3.140.0030.00516.62
8.3.130.0040.00417.31
8.3.120.0080.01119.08
8.3.110.0040.00420.94
8.3.100.0080.00024.06
8.3.90.0030.00526.77
8.3.80.0030.00617.97
8.3.70.0140.01118.31
8.3.60.0000.01618.30
8.3.50.0030.00918.29
8.3.40.0150.00018.71
8.3.30.0080.00518.67
8.3.20.0040.00419.15
8.3.10.0050.00321.95
8.3.00.0040.00423.46
8.2.290.0120.00718.58
8.2.280.0060.00318.66
8.2.270.0110.00716.46
8.2.260.0070.00717.03
8.2.250.0030.00516.50
8.2.240.0060.00316.96
8.2.230.0040.00422.58
8.2.220.0070.00737.54
8.2.210.0080.00026.77
8.2.200.0090.00018.29
8.2.190.0090.00616.58
8.2.180.0190.00016.50
8.2.170.0110.00422.96
8.2.160.0070.00719.05
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0080.00019.82
8.2.120.0080.00026.35
8.2.110.0070.00321.99
8.2.100.0150.00017.84
8.2.90.0040.00719.30
8.2.80.0030.00617.97
8.2.70.0080.00018.04
8.2.60.0000.00717.93
8.2.50.0040.00418.10
8.2.40.0030.00521.23
8.2.30.0030.00519.36
8.2.20.0080.00018.18
8.2.10.0040.00419.36
8.2.00.0070.00019.45
8.1.330.0110.00518.48
8.1.320.0080.01016.16
8.1.310.0150.00416.55
8.1.300.0130.00717.73
8.1.290.0070.00318.88
8.1.280.0140.00425.92
8.1.270.0070.00422.01
8.1.260.0030.01326.35
8.1.250.0040.00428.09
8.1.240.0070.00322.06
8.1.230.0080.00318.99
8.1.220.0000.00817.79
8.1.210.0060.00318.77
8.1.200.0030.00617.35
8.1.190.0080.00417.13
8.1.180.0040.00418.10
8.1.170.0040.00418.82
8.1.160.0090.00018.82
8.1.150.0030.00518.82
8.1.140.0000.00717.67
8.1.130.0070.00019.01
8.1.120.0030.00717.30
8.1.110.0050.00317.37
8.1.100.0000.00817.40
8.1.90.0000.00717.39
8.1.80.0040.00417.39
8.1.70.0000.00817.39
8.1.60.0080.00417.50
8.1.50.0050.00317.52
8.1.40.0040.00417.50
8.1.30.0070.00017.58
8.1.20.0060.00317.70
8.1.10.0070.00017.55
8.1.00.0050.00317.47
8.0.300.0070.00018.77
8.0.290.0040.00416.63
8.0.280.0000.00718.43
8.0.270.0000.00717.28
8.0.260.0060.00017.13
8.0.250.0030.00716.92
8.0.240.0080.00016.86
8.0.230.0000.00716.95
8.0.220.0030.00316.79
8.0.210.0070.00016.88
8.0.200.0000.00716.82
8.0.190.0050.00216.96
8.0.180.0060.00316.91
8.0.170.0030.00616.80
8.0.160.0080.00016.82
8.0.150.0040.00416.75
8.0.140.0080.00016.87
8.0.130.0000.00613.30
8.0.120.0040.00416.90
8.0.110.0000.00716.82
8.0.100.0000.00716.88
8.0.90.0040.00416.89
8.0.80.0050.01016.81
8.0.70.0050.00216.82
8.0.60.0040.00416.69
8.0.50.0050.00216.69
8.0.30.0080.01217.15
8.0.20.0080.01117.40
8.0.10.0040.00416.83
8.0.00.0120.00516.82
7.4.330.0000.00515.55
7.4.320.0030.00416.50
7.4.300.0030.00316.59
7.4.290.0050.00516.61
7.4.280.0000.00716.59
7.4.270.0000.00716.62
7.4.260.0060.00716.45
7.4.250.0080.00016.41
7.4.240.0040.00416.54
7.4.230.0030.00616.60
7.4.220.0000.00816.68
7.4.210.0060.01016.57
7.4.200.0030.00316.56
7.4.160.0090.00916.52
7.4.140.0070.01117.86
7.4.130.0130.01316.64
7.4.120.0110.00716.46
7.4.110.0060.01916.46
7.4.100.0040.01616.48
7.4.90.0120.01216.48
7.4.80.0120.01219.39
7.4.70.0160.00316.66
7.4.60.0120.00616.31
7.4.50.0100.00616.50
7.4.40.0090.00916.58
7.4.00.0110.00314.74
7.3.330.0050.00013.30
7.3.320.0030.00313.30
7.3.310.0070.00016.18
7.3.300.0000.00716.18
7.3.290.0040.00416.32
7.3.280.0070.01116.29
7.3.260.0100.00716.51
7.3.240.0100.00916.40
7.3.230.0040.01216.24
7.3.210.0100.01316.27
7.3.200.0180.00416.27
7.3.190.0060.01016.19
7.3.180.0140.00616.17
7.3.170.0100.01016.29
7.3.160.0110.00616.56
7.2.330.0070.01016.49
7.2.320.0070.01016.42
7.2.310.0070.01016.73
7.2.300.0070.01016.46
7.2.290.0140.00516.39
7.2.70.0130.00914.93
7.2.60.0170.01014.93
7.2.50.0120.00914.81
7.2.40.0160.01314.73
7.2.30.0190.01214.79
7.2.20.0150.01115.01
7.2.10.0240.00714.48
7.2.00.0130.01014.74
7.1.200.0040.00816.01
7.1.170.0130.00714.03
7.1.160.0150.01114.07
7.1.150.0160.01013.66
7.1.140.0150.01113.74
7.1.130.0210.00013.71
7.1.120.0150.00313.97
7.1.110.0200.00813.93
7.1.100.0130.00713.74
7.1.90.0150.00613.78
7.1.80.0170.00313.82
7.1.70.0070.01313.55
7.1.60.0430.01031.95
7.1.50.0250.01331.88
7.1.40.0360.00731.86
7.1.30.0290.01131.84
7.1.20.0340.00331.70
7.1.10.0140.00613.81
7.1.00.0150.00813.99

preferences:
38.57 ms | 403 KiB | 5 Q