3v4l.org

run code in 300+ PHP versions simultaneously
<?php $m = ['a' => 1, 0 => 'foo', 'k' => FALSE]; unset($m['a']); var_dump($m); unset($m[1]); var_dump($m);

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)
8.3.60.0070.00718.40
8.3.50.0100.00616.38
8.3.40.0090.00618.69
8.3.30.0090.00618.59
8.3.20.0000.00818.65
8.3.10.0050.00323.44
8.3.00.0000.00823.51
8.2.180.0110.00716.75
8.2.170.0110.00422.96
8.2.160.0110.00719.19
8.2.150.0030.00624.18
8.2.140.0000.00724.66
8.2.130.0040.00420.89
8.2.120.0040.00426.35
8.2.110.0070.00420.42
8.2.100.0040.00817.84
8.2.90.0050.00219.26
8.2.80.0040.00417.97
8.2.70.0040.00417.50
8.2.60.0050.00317.80
8.2.50.0030.00618.10
8.2.40.0080.00019.78
8.2.30.0050.00217.76
8.2.20.0000.00717.93
8.2.10.0000.00718.23
8.2.00.0030.00319.23
8.1.280.0110.00725.92
8.1.270.0040.00423.91
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0090.00322.00
8.1.230.0120.00022.69
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0040.00417.25
8.1.190.0000.01017.23
8.1.180.0040.00418.10
8.1.170.0080.00017.62
8.1.160.0050.00319.05
8.1.150.0040.00418.82
8.1.140.0100.00020.52
8.1.130.0000.00820.16
8.1.120.0030.00317.30
8.1.110.0050.00217.39
8.1.100.0030.00617.43
8.1.90.0040.00417.44
8.1.80.0020.00517.28
8.1.70.0000.00717.28
8.1.60.0040.00417.41
8.1.50.0030.00517.31
8.1.40.0040.00417.44
8.1.30.0000.00817.63
8.1.20.0030.00617.52
8.1.10.0060.00317.47
8.1.00.0030.00617.33
8.0.300.0080.00018.77
8.0.290.0040.00416.63
8.0.280.0000.00718.57
8.0.270.0080.00017.98
8.0.260.0040.00420.18
8.0.250.0040.00416.77
8.0.240.0040.00416.93
8.0.230.0070.00016.91
8.0.220.0000.00716.75
8.0.210.0040.00416.83
8.0.200.0060.00016.93
8.0.190.0070.00016.88
8.0.180.0040.00416.82
8.0.170.0030.00616.89
8.0.160.0040.00416.76
8.0.150.0110.00016.77
8.0.140.0000.00716.61
8.0.130.0080.00013.16
8.0.120.0030.00516.84
8.0.110.0000.00716.80
8.0.100.0050.00316.72
8.0.90.0000.00716.61
8.0.80.0110.00416.77
8.0.70.0050.00216.81
8.0.60.0000.00816.94
8.0.50.0000.00716.65
8.0.30.0070.01117.21
8.0.20.0130.00517.40
8.0.10.0030.00516.81
8.0.00.0150.00916.67
7.4.330.0000.00515.55
7.4.320.0000.00616.60
7.4.300.0040.00416.44
7.4.290.0000.00716.51
7.4.280.0000.01116.59
7.4.270.0030.00316.50
7.4.260.0000.00716.55
7.4.250.0030.00316.48
7.4.240.0040.00416.65
7.4.230.0080.00016.58
7.4.220.0030.00616.31
7.4.210.0070.00816.61
7.4.200.0040.00416.39
7.4.160.0100.00516.45
7.4.140.0120.00917.86
7.4.130.0000.01816.66
7.4.120.0110.00816.48
7.4.110.0140.00316.41
7.4.100.0060.01016.29
7.4.90.0030.01516.58
7.4.80.0070.01019.39
7.4.70.0080.00916.67
7.4.60.0100.00616.36
7.4.50.0070.01116.68
7.4.40.0130.00716.39
7.4.00.0130.00314.82
7.3.330.0050.00012.94
7.3.320.0000.00613.10
7.3.310.0070.00016.13
7.3.300.0030.00316.11
7.3.290.0000.00716.18
7.3.280.0060.01016.27
7.3.260.0110.00616.31
7.3.240.0110.00816.35
7.3.230.0030.01316.23
7.3.210.0100.00716.45
7.3.200.0110.00716.27
7.3.190.0060.01016.51
7.3.180.0130.01016.51
7.3.170.0110.00516.23
7.3.160.0090.00616.39
7.3.120.0030.01314.62
7.3.110.0030.01314.67
7.3.100.0000.01514.76
7.3.90.0100.00714.70
7.3.80.0030.01014.71
7.3.70.0030.01014.71
7.3.60.0100.00314.82
7.3.50.0100.00614.66
7.3.40.0090.00314.81
7.3.30.0130.00614.70
7.3.20.0090.00616.67
7.3.10.0070.01116.57
7.3.00.0030.01016.13
7.2.330.0060.01316.41
7.2.320.0060.01216.27
7.2.310.0060.01316.56
7.2.300.0070.01116.41
7.2.290.0030.01416.54
7.2.250.0120.00614.63
7.2.240.0130.00714.53
7.2.230.0030.00914.78
7.2.220.0070.01114.96
7.2.210.0100.00615.03
7.2.200.0110.00714.88
7.2.190.0120.00314.79
7.2.180.0110.00314.80
7.2.170.0030.00714.65
7.2.90.3670.01314.71
7.2.80.4450.01314.77
7.2.70.3310.00314.62
7.2.60.3760.00314.46
7.2.50.3180.00714.88
7.2.40.4150.01014.70
7.2.30.3890.01014.75
7.2.20.3340.00614.63
7.2.10.3660.01014.89
7.2.00.2120.01014.72
7.1.330.0030.01315.59
7.1.320.0120.00615.93
7.1.310.0090.00615.84
7.1.300.0000.01215.73
7.1.290.0060.00615.75
7.1.280.0070.00715.52
7.1.270.0060.00815.73
7.1.260.0030.00715.70
7.1.210.2900.00613.81
7.1.200.3610.00713.76
7.1.190.3150.00613.58
7.1.180.4200.00613.71
7.1.170.3130.00713.71
7.1.160.3490.01013.67
7.1.150.3870.01013.54
7.1.140.4020.00313.76
7.1.130.3110.01213.77
7.1.120.2470.00014.06
7.1.110.2410.00613.79
7.1.100.1790.00313.96
7.1.90.5030.00713.72
7.1.80.4040.00013.96
7.1.70.4650.00613.80
7.1.60.4080.01031.75
7.1.50.5790.00731.70
7.1.40.5440.01731.62
7.1.30.7020.00731.77
7.1.20.6240.00331.91
7.1.10.6240.00313.71
7.1.00.2820.00713.84

preferences:
63.95 ms | 400 KiB | 5 Q