3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = [ 'q' => 'qwe' ]; var_dump(key_exists('z', $arr) && $arr['z'] === 'qwe');

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)
8.3.60.0070.00718.31
8.3.50.0110.00418.17
8.3.40.0080.00818.74
8.3.30.0090.00618.47
8.3.20.0050.00319.08
8.3.10.0070.00021.82
8.3.00.0000.00820.56
8.2.180.0140.00418.41
8.2.170.0070.00722.96
8.2.160.0070.00722.07
8.2.150.0000.00924.18
8.2.140.0080.00024.66
8.2.130.0080.00019.70
8.2.120.0040.00426.35
8.2.110.0040.00419.27
8.2.100.0030.00917.78
8.2.90.0040.00417.63
8.2.80.0080.00018.56
8.2.70.0060.00317.50
8.2.60.0040.00417.50
8.2.50.0000.00817.63
8.2.40.0030.00617.75
8.2.30.0000.00719.11
8.2.20.0040.00417.92
8.2.10.0040.00418.02
8.2.00.0030.00517.62
8.1.280.0000.01925.92
8.1.270.0040.00422.07
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0080.00323.65
8.1.230.0070.00420.84
8.1.220.0050.00317.74
8.1.210.0030.00518.77
8.1.200.0060.00317.35
8.1.190.0070.00417.11
8.1.180.0030.00518.10
8.1.170.0000.00917.62
8.1.160.0050.00318.79
8.1.150.0050.00218.75
8.1.140.0030.00322.19
8.1.130.0030.00320.10
8.1.120.0030.00617.36
8.1.110.0070.00017.49
8.1.100.0040.00417.41
8.1.90.0040.00417.34
8.1.80.0040.00417.33
8.1.70.0000.00817.32
8.1.60.0060.00317.46
8.1.50.0020.00517.52
8.1.40.0040.00417.50
8.1.30.0030.00617.46
8.1.20.0070.00017.66
8.1.10.0040.00417.42
8.1.00.0060.00317.36
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0000.00818.34
8.0.270.0000.00717.16
8.0.260.0060.00018.30
8.0.250.0000.00716.93
8.0.240.0030.00317.00
8.0.230.0000.00716.91
8.0.220.0030.00316.94
8.0.210.0030.00316.88
8.0.200.0060.00316.95
8.0.190.0050.00216.95
8.0.180.0080.00016.92
8.0.170.0060.00316.95
8.0.160.0070.00016.86
8.0.150.0070.00316.76
8.0.140.0000.00716.72
8.0.130.0000.00613.30
8.0.120.0000.00916.82
8.0.110.0040.00416.80
8.0.100.0040.00416.67
8.0.90.0040.00416.91
8.0.80.0060.01016.87
8.0.70.0000.00716.94
8.0.60.0040.00416.81
8.0.50.0030.00316.94
8.0.30.0120.00517.16
8.0.20.0130.00717.40
8.0.10.0040.00417.06
8.0.00.0110.00716.77
7.4.330.0000.00515.55
7.4.320.0030.00316.64
7.4.300.0030.00316.48
7.4.290.0000.00716.39
7.4.280.0070.00016.43
7.4.270.0030.00316.61
7.4.260.0000.00616.46
7.4.250.0000.00716.56
7.4.240.0040.00416.59
7.4.230.0000.00716.48
7.4.220.0070.00016.57
7.4.210.0050.00916.51
7.4.200.0030.00316.52
7.4.160.0080.00716.39
7.4.140.0090.00817.86
7.4.130.0070.01016.54
7.4.120.0080.00916.50
7.4.110.0120.01216.26
7.4.100.0070.01016.59
7.4.90.0070.01116.22
7.4.80.0170.00019.39
7.4.70.0100.01316.34
7.4.60.0060.00916.31
7.4.50.0100.00916.57
7.4.40.0090.01116.42
7.4.00.0030.01014.95
7.3.330.0030.00312.97
7.3.320.0050.00012.96
7.3.310.0000.00816.09
7.3.300.0040.00415.99
7.3.290.0030.00316.17
7.3.280.0070.00916.13
7.3.260.0110.00616.36
7.3.240.0080.01216.29
7.3.230.0140.00316.16
7.3.210.0090.01216.19
7.3.200.0060.00916.33
7.3.190.0090.01316.34
7.3.180.0130.01116.16
7.3.170.0060.01216.30
7.3.160.0080.00816.50
7.2.330.0140.00316.64
7.2.320.0170.00316.18
7.2.310.0000.01616.55
7.2.300.0120.00916.39
7.2.290.0130.00816.58
7.2.110.0120.01814.45
7.2.100.0520.01514.14
7.2.90.0280.01214.39
7.2.80.0110.00614.23
7.2.70.2050.00614.84
7.2.60.1500.01014.90
7.2.50.1170.00714.46
7.2.40.1640.01314.86
7.2.30.1040.01014.50
7.2.20.1110.00314.39
7.2.10.1120.00714.32
7.2.00.1170.01314.33
7.1.230.0140.00513.46
7.1.220.0670.00913.27
7.1.210.0250.00513.66
7.1.200.0060.00913.50
7.1.190.1920.00713.75
7.1.180.1190.00713.58
7.1.170.1960.00313.66
7.1.160.1330.00313.18
7.1.150.1510.00713.71
7.1.140.0980.00313.26
7.1.130.0950.00613.41
7.1.120.0970.00713.80
7.1.110.0960.00713.49
7.1.100.1430.01313.79
7.1.90.1070.00713.49
7.1.80.0970.01013.55
7.1.70.1120.01013.68
7.1.60.0780.01631.83
7.1.50.0440.01731.54
7.1.40.0290.01331.76
7.1.30.0260.01331.63
7.1.20.0350.00631.73
7.1.10.0140.01413.42
7.1.00.0060.00913.26
5.6.380.0120.00313.71

preferences:
67.31 ms | 401 KiB | 5 Q