3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = [ 'q' => 'qwe' ]; var_dump(key_exists($arr['z']) && $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)
8.3.60.0100.00618.55
8.3.50.0030.01017.82
8.3.40.0060.00918.85
8.3.30.0070.00718.71
8.3.20.0040.00419.09
8.3.10.0040.00421.82
8.3.00.0000.01020.52
8.2.180.0100.00618.36
8.2.170.0070.00722.96
8.2.160.0100.00322.30
8.2.150.0030.00524.18
8.2.140.0040.00424.66
8.2.130.0040.00419.64
8.2.120.0040.00426.35
8.2.110.0030.00719.45
8.2.100.0040.00817.84
8.2.90.0000.00817.75
8.2.80.0040.00417.97
8.2.70.0000.00817.93
8.2.60.0000.00818.09
8.2.50.0030.00618.10
8.2.40.0040.00419.34
8.2.30.0000.00719.24
8.2.20.0000.00717.93
8.2.10.0040.00418.00
8.2.00.0040.00417.79
8.1.280.0170.00325.92
8.1.270.0070.00023.97
8.1.260.0000.00826.35
8.1.250.0000.00728.09
8.1.240.0040.00421.05
8.1.230.0060.00617.76
8.1.220.0000.00917.74
8.1.210.0040.00418.77
8.1.200.0030.00617.13
8.1.190.0040.00417.23
8.1.180.0050.00318.10
8.1.170.0040.00418.44
8.1.160.0000.00918.73
8.1.150.0040.00418.77
8.1.140.0000.00722.12
8.1.130.0050.00220.19
8.1.120.0000.00717.42
8.1.110.0000.00817.34
8.1.100.0050.00317.29
8.1.90.0050.00317.28
8.1.80.0040.00417.38
8.1.70.0040.00417.27
8.1.60.0080.00317.51
8.1.50.0000.00817.54
8.1.40.0050.00317.48
8.1.30.0070.00017.67
8.1.20.0050.00217.66
8.1.10.0000.00817.55
8.1.00.0030.00617.54
8.0.300.0040.00418.77
8.0.290.0000.00716.63
8.0.280.0070.00018.29
8.0.270.0000.00717.10
8.0.260.0060.00018.30
8.0.250.0000.00716.93
8.0.240.0000.00716.90
8.0.230.0080.00016.91
8.0.220.0030.00316.93
8.0.210.0030.00316.95
8.0.200.0070.00016.95
8.0.190.0000.00716.93
8.0.180.0000.00716.92
8.0.170.0000.00916.91
8.0.160.0000.00716.89
8.0.150.0040.00416.77
8.0.140.0000.00716.73
8.0.130.0000.00513.26
8.0.120.0070.00016.75
8.0.110.0040.00416.86
8.0.100.0040.00416.94
8.0.90.0040.00416.71
8.0.80.0070.00816.88
8.0.70.0000.00816.74
8.0.60.0070.00016.88
8.0.50.0070.00016.91
8.0.30.0080.01116.92
8.0.20.0060.01517.40
8.0.10.0040.00416.95
8.0.00.0080.01016.76
7.4.330.0020.00215.55
7.4.320.0060.00016.48
7.4.300.0000.00616.61
7.4.290.0000.00716.40
7.4.280.0020.00516.61
7.4.270.0030.00316.49
7.4.260.0030.00316.37
7.4.250.0000.00716.54
7.4.240.0000.00716.60
7.4.230.0000.00716.41
7.4.220.0080.00016.58
7.4.210.0090.00816.60
7.4.200.0000.00716.54
7.4.160.0130.00616.48
7.4.140.0080.01017.86
7.4.130.0040.01816.49
7.4.120.0110.00816.47
7.4.110.0060.01216.34
7.4.100.0130.00316.72
7.4.90.0090.00916.34
7.4.80.0030.01419.39
7.4.70.0070.01016.65
7.4.60.0090.00616.43
7.4.50.0110.00316.38
7.4.40.0000.01716.55
7.4.00.0050.01015.09
7.3.330.0050.00013.19
7.3.320.0050.00013.19
7.3.310.0030.00516.13
7.3.300.0030.00316.31
7.3.290.0030.00316.29
7.3.280.0040.01116.33
7.3.260.0060.01116.42
7.3.240.0100.00816.37
7.3.230.0080.00816.16
7.3.210.0070.01016.36
7.3.200.0120.00416.26
7.3.190.0070.01016.46
7.3.180.0070.01016.42
7.3.170.0070.01116.46
7.3.160.0070.01016.43
7.3.120.0070.01014.79
7.3.110.0030.01314.80
7.3.100.0100.00314.63
7.3.90.0060.00614.75
7.3.80.0100.00314.71
7.3.70.0030.00614.80
7.3.60.0090.00614.81
7.3.50.0090.00314.64
7.3.40.0030.01314.52
7.3.30.0100.00614.77
7.3.20.0030.01416.65
7.3.10.0080.00916.25
7.3.00.0110.00716.40
7.2.330.0090.00916.27
7.2.320.0170.00016.33
7.2.310.0130.00316.71
7.2.300.0130.00416.61
7.2.290.0100.00716.38
7.2.250.0060.01014.99
7.2.240.0030.01615.08
7.2.230.0030.01014.61
7.2.220.0070.00715.11
7.2.210.0060.01014.68
7.2.200.0060.00614.95
7.2.190.0120.00315.10
7.2.180.0060.00614.88
7.2.170.0060.01014.95
7.2.130.0060.01416.48
7.2.120.0110.01016.64
7.2.110.0340.00916.00
7.2.100.0310.01115.90
7.2.90.0360.00716.03
7.2.80.0420.01115.97
7.2.70.0320.00915.90
7.2.60.0310.00916.06
7.2.50.0300.01116.01
7.2.40.0140.00516.17
7.2.30.0290.01015.85
7.2.20.0360.01216.09
7.2.10.0460.00615.79
7.2.00.0370.00915.94
7.1.330.0090.00615.41
7.1.320.0070.00715.57
7.1.310.0110.00015.84
7.1.300.0110.00315.61
7.1.290.0070.00715.67
7.1.280.0040.01115.68
7.1.270.0070.00715.59
7.1.260.0120.00615.36
7.1.250.0080.00915.62
7.1.230.0720.00613.91
7.1.220.0720.01113.89
7.1.210.0650.00313.41
7.1.200.0850.00713.59
7.1.190.0920.00713.78
7.1.180.0830.00313.93
7.1.170.0760.00313.72
7.1.160.0060.01413.80
7.1.150.0080.00613.64
7.1.140.1210.00713.65
7.1.130.0780.00713.63
7.1.120.1350.00313.60
7.1.110.0660.00013.61
7.1.100.0360.01113.79
7.1.90.0860.00313.83
7.1.80.1240.00913.54
7.1.70.0800.00313.77
7.1.60.0920.01731.10
7.1.50.1590.00031.45
7.1.40.1490.00331.63
7.1.30.0800.01031.21
7.1.20.1230.00731.60
7.1.10.1190.00313.21
7.1.00.0910.01013.35
5.6.380.0100.01014.48

preferences:
53.95 ms | 400 KiB | 5 Q