3v4l.org

run code in 300+ PHP versions simultaneously
<?php class X { } $blah = new X; var_dump($blah);//why would you 'blah'? You already know it var_dump(get_class($blah));//you sure you don't want 'X' like here? $ar = ['this is key' => 1,2]; var_dump($ar);

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)
8.3.60.0100.01016.50
8.3.50.0130.00718.21
8.3.40.0100.00718.40
8.3.30.0110.00418.50
8.3.20.0050.00220.60
8.3.10.0060.00323.34
8.3.00.0000.00720.89
8.2.180.0120.00916.75
8.2.170.0040.01122.96
8.2.160.0030.01020.39
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0080.00026.16
8.2.120.0040.00426.35
8.2.110.0030.00720.47
8.2.100.0040.00817.78
8.2.90.0030.00617.63
8.2.80.0050.00317.97
8.2.70.0070.00017.80
8.2.60.0060.00319.76
8.2.50.0080.00018.10
8.2.40.0000.00719.34
8.2.30.0000.00719.28
8.2.20.0030.00518.03
8.2.10.0040.00419.21
8.2.00.0000.00718.22
8.1.280.0140.00025.92
8.1.270.0070.00020.37
8.1.260.0040.00426.35
8.1.250.0030.00628.09
8.1.240.0000.00919.09
8.1.230.0030.01019.02
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0060.00317.23
8.1.190.0000.00816.88
8.1.180.0000.00818.10
8.1.170.0040.00418.49
8.1.160.0000.00818.79
8.1.150.0040.00418.80
8.1.140.0070.00019.00
8.1.130.0070.00020.30
8.1.120.0030.00417.41
8.1.110.0050.00317.44
8.1.100.0030.00517.41
8.1.90.0000.00717.39
8.1.80.0000.00917.38
8.1.70.0030.00317.35
8.1.60.0080.00017.39
8.1.50.0030.00517.33
8.1.40.0040.00417.39
8.1.30.0040.00417.49
8.1.20.0000.00817.47
8.1.10.0000.00717.42
8.1.00.0000.00917.46
8.0.300.0070.00020.27
8.0.290.0000.00916.63
8.0.280.0030.00318.42
8.0.270.0090.00017.06
8.0.260.0040.00418.38
8.0.250.0070.00016.84
8.0.240.0000.00616.87
8.0.230.0040.00416.89
8.0.220.0000.00716.73
8.0.210.0040.00416.77
8.0.200.0040.00416.88
8.0.190.0000.00816.82
8.0.180.0000.00816.73
8.0.170.0000.00916.82
8.0.160.0040.00416.83
8.0.150.0050.00316.77
8.0.140.0050.00316.64
8.0.130.0050.00013.23
8.0.120.0050.00216.75
8.0.110.0040.00416.67
8.0.100.0030.00316.68
8.0.90.0000.00816.63
8.0.80.0100.01216.81
8.0.70.0000.00716.81
8.0.60.0040.00416.83
8.0.50.0000.00716.77
8.0.30.0070.01016.71
8.0.20.0180.00016.64
8.0.10.0040.00416.87
8.0.00.0100.00816.54
7.4.330.0000.00516.79
7.4.320.0060.00016.45
7.4.300.0030.00316.42
7.4.290.0030.00316.47
7.4.280.0050.00316.40
7.4.270.0030.00316.44
7.4.260.0030.00516.50
7.4.250.0030.00316.49
7.4.240.0030.00316.58
7.4.230.0040.00416.32
7.4.220.0040.00416.32
7.4.210.0090.00716.52
7.4.200.0030.00316.55
7.4.160.0080.00716.43
7.4.140.0180.00317.86
7.4.130.0030.01516.47
7.4.120.0040.01316.33
7.4.110.0070.01016.43
7.4.100.0070.01016.41
7.4.90.0110.00516.38
7.4.80.0030.01619.39
7.4.70.0110.00716.61
7.4.60.0100.00616.27
7.4.50.0060.00916.35
7.4.40.0160.00616.46
7.4.00.0030.01314.62
7.3.330.0050.00013.19
7.3.320.0030.00313.09
7.3.310.0030.00316.08
7.3.300.0000.00616.27
7.3.290.0070.01116.22
7.3.280.0080.01016.18
7.3.260.0100.00916.29
7.3.240.0070.01016.34
7.3.230.0070.01416.49
7.3.210.0120.00616.20
7.3.200.0090.00816.23
7.3.190.0110.00616.59
7.3.180.0120.00416.16
7.3.170.0060.01016.45
7.3.160.0130.00916.51
7.3.120.0000.01414.94
7.3.110.0070.01014.69
7.3.100.0000.00814.98
7.3.90.0030.00914.99
7.3.80.0030.01014.79
7.3.70.0060.00914.78
7.3.60.0100.00614.68
7.3.50.0070.01014.73
7.3.40.0090.00614.55
7.3.30.0030.00914.79
7.3.20.0070.00416.63
7.3.10.0070.01216.60
7.3.00.0060.00716.62
7.2.330.0140.00316.46
7.2.320.0100.00716.63
7.2.310.0170.00016.48
7.2.300.0090.00916.55
7.2.290.0110.00516.52
7.2.240.0040.01214.99
7.2.230.0070.00714.93
7.2.220.0040.01115.03
7.2.210.0030.01314.79
7.2.200.0040.00714.88
7.2.190.0120.00415.07
7.2.180.0070.00415.01
7.2.170.0090.00614.91
7.2.160.0070.00714.90
7.2.150.0070.00716.72
7.2.140.0060.00516.74
7.2.130.0070.00316.85
7.2.120.0030.01516.71
7.2.110.0050.01116.64
7.2.100.0050.01316.69
7.2.90.0100.00516.70
7.2.80.0040.00716.66
7.2.70.0100.00916.61
7.2.60.0090.00716.57
7.2.50.0080.00316.91
7.2.40.0050.00916.92
7.2.30.0080.00516.66
7.2.20.0040.00916.57
7.2.10.0050.01416.79
7.2.00.0100.00216.83
7.1.330.0030.00615.75
7.1.320.0050.00815.60
7.1.310.0070.00315.64
7.1.300.0030.00815.40
7.1.290.0080.00315.66
7.1.280.0050.01015.54
7.1.270.0020.01115.65
7.1.260.0030.00815.69
7.1.250.0050.00715.61

preferences:
72.04 ms | 401 KiB | 5 Q