3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = ['myKey' => null]; var_dump($arr['myKey'] === null ? null : (float)$arr['myKey']);

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)
8.3.60.0090.00618.31
8.3.50.0040.01118.07
8.3.40.0130.00718.47
8.3.30.0030.01018.46
8.3.20.0080.00018.98
8.3.10.0040.00421.09
8.3.00.0040.00423.61
8.2.180.0110.00718.06
8.2.170.0100.00722.96
8.2.160.0030.01020.50
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0020.00519.63
8.2.120.0070.00026.35
8.2.110.0110.00019.39
8.2.100.0080.00417.71
8.2.90.0000.00818.84
8.2.80.0040.00417.97
8.2.70.0000.00717.93
8.2.60.0050.00317.91
8.2.50.0050.00318.10
8.2.40.0040.00419.42
8.2.30.0050.00319.30
8.2.20.0050.00317.92
8.2.10.0040.00418.03
8.2.00.0000.00719.42
8.1.280.0130.01025.92
8.1.270.0060.00322.09
8.1.260.0000.00926.35
8.1.250.0030.00528.09
8.1.240.0060.00322.68
8.1.230.0040.00717.77
8.1.220.0060.00317.74
8.1.210.0000.00918.77
8.1.200.0080.00017.22
8.1.190.0040.00417.10
8.1.180.0050.00318.10
8.1.170.0080.00018.50
8.1.160.0000.00718.86
8.1.150.0040.00418.82
8.1.140.0000.00717.56
8.1.130.0070.00018.98
8.1.120.0030.00517.29
8.1.110.0080.00017.34
8.1.100.0090.00017.30
8.1.90.0030.00517.38
8.1.80.0000.00917.39
8.1.70.0000.00717.43
8.1.60.0060.00317.54
8.1.50.0040.00417.48
8.1.40.0040.00417.34
8.1.30.0090.00017.60
8.1.20.0000.00717.59
8.1.10.0000.00717.50
8.1.00.0000.00917.44
8.0.300.0050.00318.77
8.0.290.0040.00416.75
8.0.280.0040.00418.38
8.0.270.0000.00717.10
8.0.260.0030.00317.19
8.0.250.0030.00316.86
8.0.240.0000.00816.84
8.0.230.0000.00716.88
8.0.220.0070.00016.84
8.0.210.0000.00716.80
8.0.200.0040.00416.77
8.0.190.0000.00816.82
8.0.180.0020.00516.80
8.0.170.0000.00916.79
8.0.160.0080.00016.75
8.0.150.0000.00816.73
8.0.140.0070.00016.76
8.0.130.0060.00013.24
8.0.120.0030.00316.65
8.0.110.0040.00416.84
8.0.100.0080.00016.86
8.0.90.0040.00416.86
8.0.80.0110.00616.85
8.0.70.0050.00316.86
8.0.60.0040.00416.63
8.0.50.0020.00516.71
8.0.30.0070.01217.03
8.0.20.0170.00117.40
8.0.10.0040.00416.80
8.0.00.0100.01016.54
7.4.330.0020.00415.55
7.4.320.0000.00616.40
7.4.300.0000.00616.52
7.4.290.0000.00716.56
7.4.280.0070.00016.48
7.4.270.0030.00616.50
7.4.260.0040.00416.57
7.4.250.0050.00216.53
7.4.240.0000.00816.55
7.4.230.0070.00016.48
7.4.220.0000.00816.49
7.4.210.0080.00816.49
7.4.200.0030.00316.62
7.4.160.0090.00716.48
7.4.140.0090.01017.86
7.4.130.0060.01116.45
7.4.120.0110.01016.45
7.4.110.0150.00616.49
7.4.100.0060.01216.44
7.4.90.0120.00316.50
7.4.80.0160.00919.39
7.4.70.0060.01016.48
7.4.60.0150.00616.26
7.4.50.0080.00416.55
7.4.40.0060.01216.52
7.4.10.0070.01014.88
7.4.00.0050.01215.13
7.3.330.0020.00213.24
7.3.320.0050.00013.08
7.3.310.0000.00716.12
7.3.300.0030.00316.29
7.3.290.0000.00716.17
7.3.280.0070.00816.17
7.3.260.0070.01016.38
7.3.240.0110.00716.34
7.3.230.0060.01216.21
7.3.210.0110.00516.50
7.3.200.0160.00016.27
7.3.190.0110.00616.23
7.3.180.0060.01216.43
7.3.170.0090.00816.48
7.3.160.0130.00716.27
7.3.130.0080.00814.59
7.3.120.0110.00714.41
7.3.110.0110.00414.32
7.3.100.0090.00614.50
7.3.90.0000.01514.47
7.3.80.0110.00014.58
7.3.70.0060.00614.53
7.3.60.0040.01214.73
7.3.50.0060.00914.63
7.3.40.0070.00414.46
7.3.30.0070.00714.88
7.3.20.0000.01516.63
7.3.10.0080.00816.46
7.3.00.0090.00616.67
7.2.330.0070.01716.41
7.2.320.0130.01016.61
7.2.310.0060.01016.64
7.2.300.0030.01316.69
7.2.290.0130.00916.63
7.2.260.0090.00914.83
7.2.250.0060.01214.86
7.2.240.0090.00615.06
7.2.230.0090.00614.55
7.2.220.0060.00314.72
7.2.210.0060.00615.17
7.2.200.0100.00314.55
7.2.190.0060.00315.03
7.2.180.0070.01015.10
7.2.170.0040.00814.71
7.2.160.0070.00414.91
7.2.150.0030.01316.51
7.2.140.0090.00616.73
7.2.130.0120.00616.91
7.2.120.0040.01216.88
7.2.110.0030.00616.71
7.2.100.0030.01216.69
7.2.90.0070.00716.61
7.2.80.0080.00416.45
7.2.70.0090.00616.61
7.2.60.0100.00615.69
7.2.50.0100.01115.63
7.2.40.0110.00615.79
7.2.30.0100.00715.89
7.2.20.0110.00715.85
7.2.10.0620.00815.73
7.2.00.0110.00715.54
7.1.330.0100.00015.91
7.1.320.0090.00015.72
7.1.310.0030.01015.41
7.1.300.0000.00815.79
7.1.290.0110.00015.46
7.1.280.0040.00815.66
7.1.270.0000.00915.79
7.1.260.0100.00715.57
7.1.250.0030.00615.57
7.1.240.0000.01515.70
7.1.230.0070.00715.53
7.1.220.0000.01215.72
7.1.210.0090.00315.81
7.1.200.0070.00715.72
7.1.190.0090.00915.47
7.1.180.0060.00315.83
7.1.170.0140.00814.61
7.1.160.0220.00514.73
7.1.150.0120.00214.73
7.1.140.0110.00814.84
7.1.130.0080.00914.80
7.1.120.0080.00814.69
7.1.110.0130.01014.76
7.1.100.0090.00714.59
7.1.90.0090.00414.50
7.1.80.0060.00914.82
7.1.70.0060.01114.67
7.1.60.0280.01023.69
7.1.50.0200.00723.83
7.1.40.0250.00623.53
7.1.30.0210.00523.76
7.1.20.0170.00823.60
7.1.10.0130.00414.78
7.1.00.0130.00614.69
7.0.330.0060.00615.21
7.0.320.0090.00315.48
7.0.310.0040.01115.05
7.0.300.0030.00915.25
7.0.290.0000.01315.44
7.0.280.0030.01315.40
7.0.270.0000.00915.25
7.0.260.0000.01215.25
7.0.250.0030.01015.53
7.0.240.0100.00715.37
7.0.230.0040.00415.36
7.0.220.0080.00815.50
7.0.210.0030.01615.41
7.0.200.0070.01015.48
7.0.190.0090.00315.43
7.0.180.0040.00715.33
7.0.170.0030.00715.00
7.0.160.0070.00715.41
7.0.150.0040.00415.33
7.0.140.0040.00415.16
7.0.130.0030.01415.46
7.0.120.0060.00915.48
7.0.110.0030.01315.43
7.0.100.0050.00315.16
7.0.90.0070.01015.43
7.0.80.0060.00615.31
7.0.70.0040.01215.41
7.0.60.0080.00815.33
7.0.50.0000.01315.38
7.0.40.0030.00613.45
7.0.30.0070.00413.38
7.0.20.0060.00613.20
7.0.10.0040.00913.20
7.0.00.0040.00813.50
5.6.400.0030.01114.60
5.6.390.0030.01214.37
5.6.380.0150.00014.41
5.6.370.0110.00314.43
5.6.360.0030.00914.26
5.6.350.0030.01014.24
5.6.340.0080.00813.98
5.6.330.0070.00314.29
5.6.320.0070.00714.02
5.6.310.0100.01014.14
5.6.300.0030.01014.18
5.6.290.0050.00514.33
5.6.280.0040.00714.32
5.6.270.0070.00714.00
5.6.260.0040.01114.32
5.6.250.0030.00914.07
5.6.240.0000.01414.45
5.6.230.0070.00714.29
5.6.220.0030.01314.36
5.6.210.0070.00414.27
5.6.200.0030.00714.35
5.6.190.0040.00414.54
5.6.180.0100.00614.41
5.6.170.0030.00714.07
5.6.160.0040.01114.18
5.6.150.0060.00614.20
5.6.140.0090.00614.11
5.6.130.0120.00614.11
5.6.120.0030.01014.44
5.6.110.0060.00614.05
5.6.100.0090.00613.98
5.6.90.0100.00314.24
5.6.80.0110.00314.21
5.6.70.0100.00313.92
5.6.60.0040.01114.32
5.6.50.0070.00714.32
5.6.40.0000.01514.26
5.6.30.0110.00314.17
5.6.20.0060.00614.25
5.6.10.0110.00414.08
5.6.00.0080.00614.19

preferences:
58.09 ms | 400 KiB | 5 Q