3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = new stdClass; var_dump(isset($x['a']));

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)
8.3.40.0070.00719.00
8.3.30.0110.00418.75
8.3.20.0080.00018.71
8.3.10.0080.00020.99
8.3.00.0040.00421.94
8.2.170.0040.01122.96
8.2.160.0100.00320.57
8.2.150.0040.00424.18
8.2.140.0030.00624.66
8.2.130.0070.00026.16
8.2.120.0040.00421.00
8.2.110.0070.00320.59
8.2.100.0120.00017.84
8.2.90.0080.00019.23
8.2.80.0050.00217.97
8.2.70.0070.00317.38
8.2.60.0040.00418.04
8.2.50.0040.00718.07
8.2.40.0000.00818.22
8.2.30.0000.00721.14
8.2.20.0040.00417.61
8.2.10.0040.00417.73
8.2.00.0090.00017.65
8.1.270.0080.00023.99
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0030.00622.46
8.1.230.0030.00720.71
8.1.220.0090.00018.77
8.1.210.0000.00818.77
8.1.200.0060.00317.35
8.1.190.0000.00717.41
8.1.180.0040.00418.10
8.1.170.0040.00418.59
8.1.160.0000.00718.79
8.1.150.0000.00818.56
8.1.140.0000.00717.44
8.1.130.0030.00317.82
8.1.120.0000.00817.39
8.1.110.0000.00717.40
8.1.100.0040.00417.27
8.1.90.0040.00417.41
8.1.80.0040.00417.29
8.1.70.0030.00317.39
8.1.60.0040.00417.48
8.1.50.0050.00217.55
8.1.40.0040.00417.58
8.1.30.0000.00817.58
8.1.20.0040.00417.71
8.1.10.0040.00417.55
8.1.00.0030.00717.39
8.0.300.0060.00319.93
8.0.290.0030.00616.93
8.0.280.0000.00718.38
8.0.270.0050.00317.19
8.0.260.0000.00616.79
8.0.250.0000.00717.01
8.0.240.0000.00816.96
8.0.230.0040.00417.02
8.0.220.0000.00716.80
8.0.210.0000.00816.94
8.0.200.0040.00416.82
8.0.190.0020.00516.96
8.0.180.0030.00616.98
8.0.170.0040.00416.96
8.0.160.0050.00216.90
8.0.150.0030.00516.92
8.0.140.0040.00416.89
8.0.130.0000.00613.35
8.0.120.0050.00216.86
8.0.110.0040.00416.86
8.0.100.0000.00717.01
8.0.90.0040.00416.85
8.0.80.0080.00716.89
8.0.70.0040.00416.96
8.0.60.0000.00816.89
8.0.50.0030.00616.75
8.0.30.0060.01517.12
8.0.20.0110.00817.40
8.0.10.0080.00016.95
8.0.00.0050.01616.62
7.4.330.0050.00016.89
7.4.320.0060.00016.43
7.4.300.0070.00016.51
7.4.290.0040.00416.50
7.4.280.0050.00316.60
7.4.270.0000.00716.44
7.4.260.0000.00613.20
7.4.250.0000.00816.59
7.4.240.0000.00716.56
7.4.230.0050.00216.55
7.4.220.0120.00616.41
7.4.210.0070.00816.62
7.4.200.0070.00016.61
7.4.190.0000.00716.74
7.4.160.0090.00616.39
7.4.150.0130.00617.40
7.4.140.0030.01317.86
7.4.130.0120.01016.51
7.4.120.0120.00916.59
7.4.110.0070.01016.39
7.4.100.0070.01116.37
7.4.90.0090.00916.52
7.4.80.0130.01019.39
7.4.70.0080.00716.45
7.4.60.0070.01016.66
7.4.50.0060.00316.63
7.4.40.0090.00622.77
7.4.30.0110.00516.46
7.4.00.0070.00814.71
7.3.330.0000.00613.20
7.3.320.0000.00513.05
7.3.310.0000.00716.30
7.3.300.0030.00316.20
7.3.290.0110.00416.31
7.3.280.0110.00516.36
7.3.270.0170.00017.40
7.3.260.0100.01118.24
7.3.250.0140.00516.39
7.3.240.0130.00316.21
7.3.230.0070.01016.46
7.3.210.0070.01016.29
7.3.200.0070.01119.39
7.3.190.0150.00416.50
7.3.180.0030.01416.50
7.3.170.0060.00916.51
7.3.160.0090.00616.49
7.3.120.0050.01114.61
7.3.110.0030.01314.87
7.3.100.0100.00314.74
7.3.90.0120.00314.78
7.3.80.0110.00614.87
7.3.70.0130.00614.91
7.3.60.0000.01214.84
7.3.50.0100.00714.49
7.3.40.0060.00914.70
7.3.30.0070.00714.54
7.3.20.0080.00416.59
7.3.10.0090.00516.39
7.3.00.0070.00816.60
7.2.330.0150.00616.62
7.2.320.0070.01116.36
7.2.310.0060.01616.29
7.2.300.0100.00616.77
7.2.290.0060.01016.63
7.2.250.0060.01214.88
7.2.240.0090.00615.18
7.2.230.0070.01014.96
7.2.220.0030.01014.87
7.2.210.0040.01114.67
7.2.200.0070.00714.91
7.2.190.0070.00714.97
7.2.180.0000.01315.02
7.2.170.0040.01014.79
7.2.130.0100.00316.89
7.2.120.0080.00516.91
7.2.110.0130.00317.07
7.2.100.0090.00616.82
7.2.90.0030.01016.54
7.2.80.0100.00316.89
7.2.70.0040.00716.85
7.2.60.0080.00816.86
7.2.50.0030.00916.89
7.2.40.0100.00716.82
7.2.30.0070.00716.45
7.2.20.0110.00716.57
7.2.10.0130.00616.86
7.2.00.0070.01018.00
7.1.330.0030.01015.61
7.1.320.0000.01115.89
7.1.310.0040.01115.73
7.1.300.0060.00615.68
7.1.290.0090.00615.77
7.1.280.0070.00415.74
7.1.270.0070.00715.69
7.1.260.0070.00715.52
7.1.250.0070.00715.71
7.1.240.0070.01015.53
7.1.230.0040.00815.75
7.1.220.0120.00015.50
7.1.210.0040.01115.57
7.1.200.0060.00815.74
7.1.190.0110.00415.70
7.1.180.0000.01415.63
7.1.170.0090.01215.80
7.1.160.0060.00715.44
7.1.150.0030.01015.78
7.1.140.0110.00315.64
7.1.130.0070.00715.66
7.1.120.0070.00715.47
7.1.110.0060.00615.64
7.1.100.0060.00716.77
7.1.90.0090.00915.48
7.1.80.0100.00715.61
7.1.70.0070.00416.26
7.1.60.0060.01317.32
7.1.50.0120.01225.05
7.1.40.0070.01015.63
7.1.30.0060.00615.41
7.1.20.0140.00315.48
7.1.10.0140.00415.54
7.1.00.0050.02119.02
7.0.330.0130.00315.20
7.0.320.0110.00415.28
7.0.310.0000.01415.33
7.0.300.0110.00715.27
7.0.290.0000.01215.25
7.0.280.0070.01115.43
7.0.270.0100.00315.18
7.0.260.0070.00715.19
7.0.250.0060.00615.19
7.0.240.0030.01015.29
7.0.230.0070.00715.39
7.0.220.0030.01014.90
7.0.210.0120.00315.27
7.0.200.0120.00315.08
7.0.190.0000.01515.25
7.0.180.0070.00714.85
7.0.170.0100.00315.06
7.0.160.0080.00414.98
7.0.150.0070.01015.17
7.0.140.0100.03718.56
7.0.130.0070.01115.13
7.0.120.0110.00415.27
7.0.110.0150.00415.20
7.0.100.0040.01215.15
7.0.90.0100.00315.11
7.0.80.0110.00315.13
7.0.70.0070.01015.37
7.0.60.0030.02617.53
7.0.50.0070.04016.51
7.0.40.0050.04715.39
7.0.30.0100.04115.60
7.0.20.0080.03815.51
7.0.10.0050.04515.41
7.0.00.0050.02215.48
5.6.380.0080.00714.51
5.6.370.0030.00914.02
5.6.360.0030.01014.29
5.6.350.0100.00314.13
5.6.340.0110.00414.35
5.6.330.0070.00714.20
5.6.320.0060.00914.28
5.6.310.0090.00314.11
5.6.300.0110.00014.15
5.6.290.0070.00714.07
5.6.280.0080.03717.61
5.6.270.0080.00814.22
5.6.260.0040.01314.32
5.6.250.0050.01614.25
5.6.240.0120.00414.12
5.6.230.0100.00613.96
5.6.220.0080.00814.23
5.6.210.0080.03117.25
5.6.200.0080.03816.28
5.6.190.0050.03216.15
5.6.180.0070.04216.23
5.6.170.0060.04616.02
5.6.160.0130.03616.16
5.6.150.0080.04216.03
5.6.140.0070.03316.14
5.6.130.0060.04316.09
5.6.120.0050.04616.05
5.6.110.0090.04216.07
5.6.100.0050.03816.15
5.6.90.0100.03916.14
5.6.80.0060.02915.91
5.6.70.0070.04215.79
5.6.60.0080.03815.76
5.6.50.0070.02015.70
5.6.40.0050.04115.84
5.6.30.0030.02815.82
5.6.20.0060.02215.62
5.6.10.0050.02915.71
5.6.00.0060.03115.74
5.5.380.0040.00810.63
5.5.370.0100.00110.89
5.5.360.0070.00710.78
5.5.350.1860.02215.47
5.5.340.0010.03514.49
5.5.330.0100.03714.23
5.5.320.0080.03114.40
5.5.310.0090.02914.28
5.5.300.0050.04114.39
5.5.290.0130.03514.37
5.5.280.0050.03314.48
5.5.270.0030.04314.51
5.5.260.0060.02814.52
5.5.250.0030.04014.36
5.5.240.0040.02214.19
5.5.230.0050.03614.25
5.5.220.0020.03814.21
5.5.210.0050.04414.06
5.5.200.0040.04514.03
5.5.190.0020.02514.03
5.5.180.0080.02014.14
5.5.170.0060.00610.80
5.5.160.0040.02313.90
5.5.150.0050.04014.14
5.5.140.0070.03513.97
5.5.130.0040.03214.14
5.5.120.0020.04614.16
5.5.110.0020.02514.03
5.5.100.0050.02914.10
5.5.90.0030.02314.02
5.5.80.0070.04214.03
5.5.70.0080.04614.09
5.5.60.0050.02513.82
5.5.50.0060.02314.03
5.5.40.0050.03114.09
5.5.30.0040.04414.10
5.5.20.0020.03814.00
5.5.10.0130.03313.98
5.5.00.0080.03714.08
5.4.450.0070.03515.15
5.4.440.0050.04215.21
5.4.430.0080.03815.17
5.4.420.0080.03815.13
5.4.410.0050.04015.05
5.4.400.0080.03814.83
5.4.390.0050.03814.83
5.4.380.0030.03514.88
5.4.370.0100.01714.94
5.4.360.0030.02314.77
5.4.350.0080.02215.01
5.4.340.0080.02014.90
5.4.330.0040.00710.78
5.4.320.0080.02514.71
5.4.310.0040.02814.95
5.4.300.0050.04014.91
5.4.290.0060.02814.81
5.4.280.0020.02714.93
5.4.270.0040.02315.00
5.4.260.0030.02915.00
5.4.250.0020.02515.01
5.4.240.0030.04414.98
5.4.230.0100.03914.83
5.4.220.0050.02214.75
5.4.210.0050.02014.75
5.4.200.0030.04114.77
5.4.190.0050.02614.81
5.4.180.0030.03014.89
5.4.170.0030.02314.84
5.4.160.0060.03614.86
5.4.150.0070.03714.88
5.4.140.0060.02013.61
5.4.130.0100.02513.45
5.4.120.0020.03913.56
5.4.110.0050.03713.46
5.4.100.0070.03813.71
5.4.90.0080.03613.69
5.4.80.0030.02513.53
5.4.70.0090.02813.52
5.4.60.0080.03413.60
5.4.50.0030.04213.50
5.4.40.0090.02613.37
5.4.30.0060.02313.35
5.4.20.0020.04013.32
5.4.10.0020.02913.59
5.4.00.0050.02213.27
5.3.290.0070.03412.44
5.3.280.0020.03212.39
5.3.270.0080.02212.40
5.3.260.0050.03312.43
5.3.250.0080.02512.40
5.3.240.0070.03112.31
5.3.230.0050.02212.33
5.3.220.0100.03112.32
5.3.210.0080.04012.37
5.3.200.0020.04212.30
5.3.190.0050.04212.41
5.3.180.0030.02912.41
5.3.170.0060.02712.52
5.3.160.0090.02312.41
5.3.150.0000.03912.46
5.3.140.0060.03712.36
5.3.130.0050.04012.42
5.3.120.0050.03912.47
5.3.110.0050.04712.35
5.3.100.0050.04012.11
5.3.90.0080.03612.15
5.3.80.0040.03011.99
5.3.70.0070.02312.09
5.3.60.0060.01812.11
5.3.50.0040.02912.02
5.3.40.0020.04512.01
5.3.30.0050.03312.04
5.3.20.0070.02711.91
5.3.10.0080.03411.74
5.3.00.0050.02011.82
5.2.170.0030.03810.39
5.2.160.0060.03310.31
5.2.150.0060.03310.35
5.2.140.0080.03210.39
5.2.130.0020.02710.33
5.2.120.0060.03110.37
5.2.110.0080.03010.29
5.2.100.0070.02810.36
5.2.90.0030.03610.36
5.2.80.0040.02610.37
5.2.70.0030.03310.34
5.2.60.0030.02010.42
5.2.50.0080.03210.29
5.2.40.0030.03610.31
5.2.30.0060.02810.38
5.2.20.0060.02510.30
5.2.10.0050.03010.27
5.2.00.0060.02410.19
5.1.60.0030.0319.81
5.1.50.0050.0289.86
5.1.40.0040.0139.85
5.1.30.0070.0179.98
5.1.20.0030.0249.98
5.1.10.0060.0309.86
5.1.00.0080.0279.88
5.0.50.0050.0239.13
5.0.40.0020.0259.04
5.0.30.0060.0299.04
5.0.20.0030.0159.04
5.0.10.0070.0209.04
5.0.00.0030.0339.04
4.4.90.0030.0169.04
4.4.80.0010.0209.04
4.4.70.0030.0239.04
4.4.60.0050.0109.04
4.4.50.0050.0189.04
4.4.40.0030.0229.04
4.4.30.0030.0139.04
4.4.20.0020.0169.04
4.4.10.0000.0119.04
4.4.00.0050.0169.04
4.3.110.0020.0169.04
4.3.100.0030.0139.04
4.3.90.0020.0119.04
4.3.80.0020.0309.04
4.3.70.0000.0229.04
4.3.60.0050.0179.04
4.3.50.0020.0209.04
4.3.40.0020.0239.04
4.3.30.0030.0189.04
4.3.20.0020.0219.04
4.3.10.0030.0179.04
4.3.00.0030.0149.04

preferences:
39.65 ms | 400 KiB | 5 Q