3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=(object)[]; echo isset($a->b) && 123 == $a->b;

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)
8.3.60.0150.00616.46
8.3.50.0070.01417.93
8.3.40.0060.00918.69
8.3.30.0120.00318.67
8.3.20.0110.00720.34
8.3.10.0040.00421.76
8.3.00.0080.00019.38
8.2.180.0130.00316.88
8.2.170.0150.00022.96
8.2.160.0070.01420.50
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00420.35
8.2.120.0080.00026.35
8.2.110.0030.00622.07
8.2.100.0110.00017.80
8.2.90.0030.00519.27
8.2.80.0050.00317.97
8.2.70.0000.00817.50
8.2.60.0070.00417.78
8.2.50.0060.00318.07
8.2.40.0040.00421.11
8.2.30.0040.00420.54
8.2.20.0040.00717.82
8.2.10.0070.00018.13
8.2.00.0000.00718.07
8.1.280.0120.00625.92
8.1.270.0110.00723.89
8.1.260.0040.00428.09
8.1.250.0110.00428.09
8.1.240.0030.00620.95
8.1.230.0120.00017.53
8.1.220.0050.00317.78
8.1.210.0060.00318.77
8.1.200.0060.00317.35
8.1.190.0000.00717.57
8.1.180.0040.00418.10
8.1.170.0030.00618.56
8.1.160.0050.00222.02
8.1.150.0090.00018.89
8.1.140.0060.00319.58
8.1.130.0030.00517.71
8.1.120.0030.00717.36
8.1.110.0050.00317.44
8.1.100.0000.00717.37
8.1.90.0000.00717.48
8.1.80.0040.00417.45
8.1.70.0030.00317.48
8.1.60.0040.00417.65
8.1.50.0050.00517.50
8.1.40.0040.00417.40
8.1.30.0030.00517.49
8.1.20.0030.00617.44
8.1.10.0050.00217.37
8.1.00.0040.00417.41
8.0.300.0070.00018.77
8.0.290.0040.00416.75
8.0.280.0030.00318.45
8.0.270.0050.00317.18
8.0.260.0060.00017.26
8.0.250.0030.00316.92
8.0.240.0000.00617.04
8.0.230.0040.00417.04
8.0.220.0050.00216.95
8.0.210.0030.00316.80
8.0.200.0000.00717.04
8.0.190.0000.00716.93
8.0.180.0040.00416.94
8.0.170.0050.00317.04
8.0.160.0000.00717.00
8.0.150.0040.00716.91
8.0.140.0020.00516.88
8.0.130.0000.00613.36
8.0.120.0080.00016.91
8.0.110.0080.00016.90
8.0.100.0070.00017.00
8.0.90.0000.00716.91
8.0.80.0160.00316.92
8.0.70.0070.00016.86
8.0.60.0020.00516.90
8.0.50.0000.00716.91
8.0.30.0100.01217.09
8.0.20.0100.01117.40
8.0.10.0000.00717.02
8.0.00.0080.00916.84
7.4.330.0030.00315.08
7.4.320.0070.00016.42
7.4.300.0000.00616.61
7.4.290.0040.00416.63
7.4.280.0090.00016.36
7.4.270.0030.00316.53
7.4.260.0070.00016.59
7.4.250.0000.00716.48
7.4.240.0020.00516.56
7.4.230.0000.00716.50
7.4.220.0150.00916.64
7.4.210.0040.01116.38
7.4.200.0030.00316.58
7.4.160.0060.00916.69
7.4.150.0030.01417.40
7.4.140.0130.00517.86
7.4.130.0100.00716.45
7.4.120.0120.00816.48
7.4.110.0100.01316.41
7.4.100.0100.01016.41
7.4.90.0030.01716.55
7.4.80.0110.00619.39
7.4.70.0080.00816.43
7.4.60.0120.00416.50
7.4.50.0140.00216.45
7.4.40.0040.01416.65
7.4.30.0060.01516.42
7.4.10.0000.01915.05
7.4.00.0070.01014.80
7.3.330.0040.00313.01
7.3.320.0000.00513.10
7.3.310.0000.00716.21
7.3.300.0000.00616.06
7.3.290.0070.01016.21
7.3.280.0070.01016.18
7.3.270.0040.01417.40
7.3.260.0070.01716.23
7.3.250.0090.01016.24
7.3.240.0080.01016.24
7.3.230.0070.01116.39
7.3.210.0090.01216.34
7.3.200.0080.00816.14
7.3.190.0120.00916.34
7.3.180.0170.00016.59
7.3.170.0110.00516.49
7.3.160.0130.00916.43
7.3.130.0030.01314.78
7.3.120.0060.01114.86
7.3.110.0080.00914.66
7.3.100.0100.00514.58
7.3.90.0050.01014.59
7.3.80.0090.00314.75
7.3.70.0060.00714.67
7.3.60.0070.00614.60
7.3.50.0070.00714.64
7.3.40.0030.01314.72
7.3.30.0060.00714.81
7.3.20.0050.00816.55
7.3.10.0060.00916.56
7.3.00.0050.00816.41
7.2.330.0100.00716.55
7.2.320.0100.00716.70
7.2.310.0100.00616.35
7.2.300.0100.00716.66
7.2.290.0030.01316.43
7.2.260.0060.01314.68
7.2.250.0030.01314.93
7.2.240.0100.00614.88
7.2.230.0030.01315.02
7.2.220.0040.01114.88
7.2.210.0060.00614.93
7.2.200.0030.00914.93
7.2.190.0050.00514.88
7.2.180.0040.00914.88
7.2.170.0070.00814.83
7.2.160.0040.00714.77
7.2.150.0090.00016.80
7.2.140.0090.00316.93
7.2.130.0030.00716.63
7.2.120.0030.01016.77
7.2.110.0090.00316.68
7.2.100.0050.00516.86
7.2.90.0040.01116.91
7.2.80.0150.00316.96
7.2.70.0060.00916.75
7.2.60.0040.00716.73
7.2.50.0030.01316.54
7.2.40.0070.01016.73
7.2.30.0050.00516.80
7.2.20.0030.01416.84
7.2.10.0060.00616.81
7.2.00.0050.01018.08
7.1.330.0020.01115.44
7.1.320.0040.00715.69
7.1.310.0040.00715.71
7.1.300.0040.00815.69
7.1.290.0060.00615.75
7.1.280.0040.00715.63
7.1.270.0060.00715.79
7.1.260.0060.00915.72
7.1.250.0000.01315.57
7.1.240.0060.00915.45
7.1.230.0060.00915.58
7.1.220.0070.01015.59
7.1.210.0060.01015.88
7.1.200.0040.01115.51
7.1.190.0070.00715.60
7.1.180.0070.00715.77
7.1.170.0000.01515.70
7.1.160.0040.01115.73
7.1.150.0120.00315.43
7.1.140.0130.00015.35
7.1.130.0030.01015.42
7.1.120.0060.00615.65
7.1.110.0000.01015.93
7.1.100.0070.00616.84
7.1.90.0040.00715.84
7.1.80.0030.01315.59
7.1.70.0030.00816.21
7.1.60.0050.01417.57
7.1.50.0080.01216.07
7.1.40.0040.01115.67
7.1.30.0060.00615.66
7.1.20.0090.00615.64
7.1.10.0070.00715.71
7.1.00.0070.03818.96
7.0.330.0060.00615.33
7.0.320.0000.00915.33
7.0.310.0040.01115.30
7.0.300.0000.01615.29
7.0.290.0070.00315.22
7.0.280.0080.00615.06
7.0.270.0030.01015.51
7.0.260.0030.01015.27
7.0.250.0000.01215.18
7.0.240.0040.00415.40
7.0.230.0030.00715.25
7.0.220.0070.00715.32
7.0.210.0080.00315.39
7.0.200.0060.00516.09
7.0.190.0040.00415.35
7.0.180.0030.00715.41
7.0.170.0030.00915.35
7.0.160.0040.00415.29
7.0.150.0030.00615.13
7.0.140.0070.00315.06
7.0.130.0030.00515.50
7.0.120.0000.01115.30
7.0.110.0070.00715.38
7.0.100.0060.01015.12
7.0.90.0030.01115.20
7.0.80.0000.01615.32
7.0.70.0030.01015.37
7.0.60.0090.02717.54
7.0.50.0030.04716.69
7.0.40.0070.04716.71
7.0.30.0140.03916.71
7.0.20.0100.04416.80
7.0.10.0070.03816.82
7.0.00.0080.03316.83
5.6.400.0000.01514.58
5.6.390.0040.00814.25
5.6.380.0030.01013.90
5.6.370.0060.00914.48
5.6.360.0040.01514.03
5.6.350.0000.01114.23
5.6.340.0000.01514.59
5.6.330.0030.01214.41
5.6.320.0100.00714.17
5.6.310.0030.00714.59
5.6.300.0040.00414.03
5.6.290.0000.01414.36
5.6.280.0040.02517.64
5.6.270.0040.00414.18
5.6.260.0030.01014.43
5.6.250.0120.00414.45
5.6.240.0090.00914.42
5.6.230.0080.00414.23
5.6.220.0060.00614.41
5.6.210.0080.04317.39
5.6.200.0120.03716.20
5.6.190.0050.04717.49
5.6.180.0220.02517.52
5.6.170.0200.04217.39
5.6.160.0040.02917.46
5.6.150.0120.01716.27
5.6.140.0050.02716.34
5.6.130.0070.04716.35
5.6.120.0110.04317.55
5.6.110.0130.04317.58
5.6.100.0130.04017.69
5.6.90.0120.04017.79
5.6.80.0070.04417.41
5.6.70.0030.01314.45
5.6.60.0110.00414.24
5.6.50.0060.00914.13
5.6.40.0040.01114.34
5.6.30.0000.00914.19
5.6.20.0030.00614.21
5.6.10.0130.00314.13
5.6.00.0000.01314.37
5.5.380.0060.00914.27
5.5.370.0060.00614.39
5.5.360.0060.00914.33
5.5.350.0100.02517.43
5.5.340.0100.03416.02
5.5.330.0070.03017.28
5.5.320.0070.02117.32
5.5.310.0190.01817.13
5.5.300.0070.02715.99
5.5.290.0070.02316.14
5.5.280.0070.02317.69
5.5.270.0110.04117.36
5.5.260.0110.03717.59
5.5.250.0020.04817.46
5.5.240.0150.04117.27
5.5.230.0040.01113.98
5.5.220.0070.00714.41
5.5.210.0030.01113.98
5.5.200.0030.01314.09
5.5.190.0110.00013.93
5.5.180.0000.01414.32
5.5.170.0080.00414.30
5.5.160.0130.00314.32
5.5.150.0000.00914.16
5.5.140.0090.00314.50
5.5.130.0080.00414.39
5.5.120.0000.01114.41
5.5.110.0040.01114.02
5.5.100.0030.01014.45
5.5.90.0060.01214.14
5.5.80.0060.00914.10
5.5.70.0070.00714.12
5.5.60.0100.00314.29
5.5.50.0070.00714.28
5.5.40.0030.00614.37
5.5.30.0030.00714.11
5.5.20.0000.01514.38
5.5.10.0040.00814.49
5.5.00.0070.00714.32

preferences:
70.27 ms | 400 KiB | 5 Q