3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting( 2147483647 ); $b = null; var_dump($b['foo1']); $b = "string"; var_dump($b['foo2']); $b = 345678; var_dump($b['foo3']);

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)
8.3.60.0150.00316.38
8.3.50.0180.00321.95
8.3.40.0120.00818.82
8.3.30.0030.01019.08
8.3.20.0080.00020.10
8.3.10.0040.00420.48
8.3.00.0050.00319.38
8.2.180.0180.00316.88
8.2.170.0060.00922.96
8.2.160.0000.01420.35
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0080.00026.16
8.2.120.0000.00721.05
8.2.110.0040.00420.57
8.2.100.0110.00318.14
8.2.90.0070.00019.29
8.2.80.0040.00417.97
8.2.70.0080.00017.75
8.2.60.0040.00417.93
8.2.50.0050.00318.07
8.2.40.0000.00818.16
8.2.30.0040.00419.45
8.2.20.0080.00017.62
8.2.10.0060.00318.16
8.2.00.0040.00417.61
8.1.280.0070.00725.92
8.1.270.0110.00023.99
8.1.260.0040.00426.35
8.1.250.0030.00528.09
8.1.240.0060.00323.67
8.1.230.0070.00319.02
8.1.220.0040.00417.79
8.1.210.0000.00818.77
8.1.200.0030.00617.35
8.1.190.0000.00817.23
8.1.180.0040.00418.10
8.1.170.0030.00518.59
8.1.160.0040.00421.88
8.1.150.0000.00818.81
8.1.140.0030.00717.42
8.1.130.0070.00017.83
8.1.120.0040.00417.45
8.1.110.0000.00717.44
8.1.100.0000.00717.38
8.1.90.0000.00717.29
8.1.80.0030.00317.37
8.1.70.0000.00717.30
8.1.60.0040.00417.55
8.1.50.0040.00417.40
8.1.40.0040.00417.54
8.1.30.0040.00417.55
8.1.20.0000.00717.69
8.1.10.0020.00517.58
8.1.00.0070.00717.39
8.0.300.0030.00518.77
8.0.290.0000.00716.58
8.0.280.0070.00018.38
8.0.270.0030.00317.15
8.0.260.0030.00317.21
8.0.250.0000.00716.98
8.0.240.0030.00316.83
8.0.230.0030.00316.99
8.0.220.0030.00316.79
8.0.210.0050.00216.88
8.0.200.0000.00716.94
8.0.190.0040.00416.96
8.0.180.0040.00416.87
8.0.170.0040.00416.91
8.0.160.0030.00316.79
8.0.150.0040.00416.85
8.0.140.0030.00516.81
8.0.130.0040.00413.27
8.0.120.0000.00716.81
8.0.110.0040.00416.92
8.0.100.0070.00016.88
8.0.90.0000.00716.93
8.0.80.0110.01016.90
8.0.70.0040.00416.77
8.0.60.0000.00716.88
8.0.50.0000.00716.67
8.0.30.0100.01017.10
8.0.20.0080.01517.40
8.0.10.0030.00617.03
8.0.00.0080.01016.74
7.4.330.0050.00015.00
7.4.320.0040.00416.52
7.4.300.0070.00016.45
7.4.290.0030.00316.58
7.4.280.0000.00716.52
7.4.270.0040.00416.41
7.4.260.0000.01016.37
7.4.250.0030.00516.44
7.4.240.0000.00816.45
7.4.230.0030.00316.35
7.4.220.0120.01316.57
7.4.210.0050.00816.54
7.4.200.0070.00016.57
7.4.160.0170.00316.21
7.4.150.0110.00617.40
7.4.140.0050.01317.86
7.4.130.0120.00416.59
7.4.120.0060.01116.39
7.4.110.0040.01316.54
7.4.100.0070.01016.52
7.4.90.0100.00716.51
7.4.80.0120.00919.39
7.4.70.0060.01316.53
7.4.60.0060.01316.60
7.4.50.0080.00015.96
7.4.40.0170.00016.53
7.4.30.0080.00816.49
7.4.00.0080.00814.84
7.3.330.0070.00013.16
7.3.320.0060.00013.03
7.3.310.0070.00016.29
7.3.300.0000.00716.17
7.3.290.0070.00716.21
7.3.280.0080.00616.21
7.3.270.0120.00817.40
7.3.260.0070.01416.51
7.3.250.0100.00716.29
7.3.240.0160.00616.21
7.3.230.0070.01016.39
7.3.210.0120.00916.59
7.3.200.0060.00916.20
7.3.190.0080.01116.14
7.3.180.0140.00616.30
7.3.170.0140.00716.40
7.3.160.0130.00716.35
7.3.10.0110.00416.29
7.3.00.0070.00916.44
7.2.330.0000.01716.59
7.2.320.0150.00316.49
7.2.310.0080.01616.30
7.2.300.0080.00816.36
7.2.290.0150.00616.61
7.2.130.0050.00816.77
7.2.120.0090.00416.63
7.2.110.0070.00916.58
7.2.100.0070.00716.68
7.2.90.0070.00616.76
7.2.80.0080.00716.67
7.2.70.0050.01216.84
7.2.60.0080.00616.73
7.2.50.0070.00916.76
7.2.40.0050.01216.92
7.2.30.0110.00516.73
7.2.20.0070.00716.66
7.2.10.0100.00516.71
7.2.00.0060.00817.27
7.1.250.0050.00815.85
7.1.240.0060.00615.51
7.1.230.0070.00815.76
7.1.220.0090.00515.84
7.1.210.0060.00715.66
7.1.200.0090.00615.74
7.1.190.0130.00115.65
7.1.180.0080.00715.82
7.1.170.0190.00515.74
7.1.160.0080.00815.62
7.1.150.0100.00415.50
7.1.140.0170.00515.61
7.1.130.0100.00415.67
7.1.120.0070.00815.76
7.1.110.0110.00315.78
7.1.100.0070.00616.58
7.1.90.0060.00915.57
7.1.80.0140.00215.53
7.1.70.0030.00816.17
7.1.60.0090.01117.02
7.1.50.0100.00916.26
7.1.40.0040.01215.80
7.1.30.0130.00415.76
7.1.20.0080.01015.83
7.1.10.0110.00415.71
7.1.00.0090.02718.05
7.0.330.0030.00615.36
7.0.320.0030.01015.23
7.0.310.0250.00515.18
7.0.300.0110.00415.34
7.0.290.0080.00815.08
7.0.280.0140.00315.18
7.0.270.0080.00715.28
7.0.260.0040.00715.35
7.0.250.0090.00515.32
7.0.240.0080.00615.31
7.0.230.0220.00715.36
7.0.220.0060.00915.41
7.0.210.0060.00715.29
7.0.200.0040.00815.80
7.0.190.0090.00615.35
7.0.180.0060.00815.29
7.0.170.0080.00615.54
7.0.160.0230.00715.25
7.0.150.0060.00815.42
7.0.140.0040.03017.58
7.0.130.0090.00515.41
7.0.120.0050.00715.22
7.0.110.0030.01115.28
7.0.100.0070.00615.24
7.0.90.0080.00715.25
7.0.80.0110.00215.19
7.0.70.0080.00515.18
7.0.60.0100.02916.90
7.0.50.0080.01816.02
7.0.40.0050.03315.66
7.0.30.0160.01815.50
7.0.20.0160.02315.50
7.0.10.0050.01915.57
7.0.00.0080.01915.60
5.6.380.0120.00414.38
5.6.370.0100.00614.41
5.6.360.0060.01014.35
5.6.350.0080.00714.03
5.6.340.0080.00314.28
5.6.330.0060.00614.25
5.6.320.0030.00914.08
5.6.310.0020.01214.20
5.6.300.0060.00914.38
5.6.290.0060.00813.80
5.6.280.0050.03616.38
5.6.270.0060.00614.16
5.6.260.0090.00514.23
5.6.250.0030.00914.26
5.6.240.0100.00414.51
5.6.230.0110.00614.38
5.6.220.0080.00614.21
5.6.210.0060.01816.26
5.6.200.0110.02815.45
5.6.190.0080.02516.29
5.6.180.0180.02716.48
5.6.170.0100.02116.40
5.6.160.0050.02216.35
5.6.150.0060.02715.64
5.6.140.0080.02815.54
5.6.130.0080.01715.49
5.6.120.0060.02216.31
5.6.110.0070.03416.35
5.6.100.0100.03316.36
5.6.90.0080.03216.34
5.6.80.0060.01916.14
5.6.70.0100.01316.21
5.6.60.0120.00514.16
5.6.50.0090.00614.15
5.6.40.0090.00714.01
5.6.30.0070.00714.32
5.6.20.0040.00914.00
5.6.10.0020.01214.09
5.6.00.0070.00514.03
5.5.380.0070.00411.89
5.5.370.0070.00511.89
5.5.360.0050.00611.88
5.5.350.0050.03114.60
5.5.340.0090.03013.95
5.5.330.0080.02714.54
5.5.320.0140.02714.63
5.5.310.0170.02514.68
5.5.300.0080.02513.91
5.5.290.0010.03513.92
5.5.280.0050.02414.71
5.5.270.0090.01714.87
5.5.260.0070.02514.71
5.5.250.0110.02614.82
5.5.240.0040.03014.67
5.5.230.0030.00711.74
5.5.220.0080.00611.80
5.5.210.0060.00611.83
5.5.200.0070.00511.82
5.5.190.0060.00511.81
5.5.180.0040.00611.82
5.5.170.0090.00412.37
5.5.160.0030.00811.80
5.5.150.0060.00511.80
5.5.140.0070.00311.66
5.5.130.0020.00811.87
5.5.120.0040.00811.81
5.5.110.0060.00611.91
5.5.100.0060.00611.81
5.5.90.0060.00311.84
5.5.80.0050.00511.88
5.5.70.0050.00311.79
5.5.60.0060.00411.73
5.5.50.0070.00211.70
5.5.40.0060.00411.84
5.5.30.0060.00311.68
5.5.20.0100.00311.80
5.5.10.0040.00611.70
5.5.00.0100.00211.74
5.4.450.0090.02514.36
5.4.440.0290.02214.34
5.4.430.0330.01814.20
5.4.420.0400.02014.35
5.4.410.0100.02014.41
5.4.400.0320.02014.23
5.4.390.0340.02014.34
5.4.380.0120.02414.02
5.4.370.0170.02214.13
5.4.360.0120.02114.02
5.4.350.0080.02214.16
5.4.340.0180.02214.04
5.4.330.0070.00911.76
5.4.320.0070.01412.08
5.4.310.0070.01612.08
5.4.300.0080.01511.95
5.4.290.0080.01612.01
5.4.280.0060.01712.08
5.4.270.0070.01511.91
5.4.260.0080.01612.06
5.4.250.0060.01811.97
5.4.240.0070.01712.04
5.4.230.0090.01412.01
5.4.220.0110.01811.96
5.4.210.0090.01812.02
5.4.200.0130.01512.00
5.4.190.0060.01912.00
5.4.180.0070.01911.97
5.4.170.0060.01712.00
5.4.160.0060.01711.98
5.4.150.0080.01711.99
5.4.140.0080.02011.91
5.4.130.0080.01611.83
5.4.120.0050.01611.83
5.4.110.0070.01911.94
5.4.100.0050.02211.79
5.4.90.0050.02011.88
5.4.80.0070.02111.88
5.4.70.0060.01711.78
5.4.60.0060.01511.81
5.4.50.0080.01611.92
5.4.40.0060.01511.84
5.4.30.0050.01811.82
5.4.20.0040.01811.92
5.4.10.0070.01811.70
5.4.00.0070.01511.70
5.3.290.0050.02212.04
5.3.280.0080.01811.93
5.3.270.0080.01811.92
5.3.260.0070.01911.98
5.3.250.0090.01511.94
5.3.240.0050.01711.92
5.3.230.0030.02211.92
5.3.220.0070.01411.92
5.3.210.0070.01611.96
5.3.200.0060.01411.91
5.3.190.0050.01711.92
5.3.180.0060.01511.91
5.3.170.0070.01411.92
5.3.160.0080.01511.97
5.3.150.0070.01411.97
5.3.140.0030.01811.97
5.3.130.0060.01711.93
5.3.120.0070.01511.91
5.3.110.0060.01511.94
5.3.100.0050.01611.72
5.3.90.0040.01611.75
5.3.80.0100.01211.71
5.3.70.0080.01311.71
5.3.60.0100.01111.78
5.3.50.0070.01911.70
5.3.40.0020.02211.71
5.3.30.0060.01811.71
5.3.20.0050.01811.60
5.3.10.0060.01811.58
5.3.00.0060.01811.57
5.2.170.0050.01510.74
5.2.160.0050.01410.74
5.2.150.0030.01510.74
5.2.140.0070.01110.74
5.2.130.0050.01310.72
5.2.120.0010.01710.72
5.2.110.0060.01510.73
5.2.100.0040.01610.73
5.2.90.0060.01610.73
5.2.80.0070.01610.73
5.2.70.0060.01610.72
5.2.60.0060.01610.71
5.2.50.0070.01310.70
5.2.40.0050.01410.69
5.2.30.0060.01410.68
5.2.20.0040.01410.68
5.2.10.0060.01510.66
5.2.00.0050.01610.61
5.1.60.0030.01310.37
5.1.50.0050.01310.37
5.1.40.0020.01610.37
5.1.30.0050.01210.48
5.1.20.0040.01310.49
5.1.10.0030.01110.40
5.1.00.0030.01210.40
5.0.50.0020.0109.89
5.0.40.0050.0079.84
5.0.30.0040.0129.78
5.0.20.0020.0109.77
5.0.10.0050.0089.76
5.0.00.0030.0139.76
4.4.90.0030.0089.27
4.4.80.0020.0079.27
4.4.70.0030.0079.27
4.4.60.0020.0089.27
4.4.50.0030.0079.27
4.4.40.0020.0129.25
4.4.30.0030.0089.27
4.4.20.0020.0099.29
4.4.10.0020.0089.29
4.4.00.0020.0119.27
4.3.110.0020.0079.24
4.3.100.0010.0099.24
4.3.90.0030.0079.23
4.3.80.0030.0119.21
4.3.70.0060.0079.22
4.3.60.0040.0099.22
4.3.50.0030.0109.22
4.3.40.0020.0129.19
4.3.30.0020.0088.78
4.3.20.0020.0088.77
4.3.10.0020.0088.76
4.3.00.0030.01110.14

preferences:
49.78 ms | 401 KiB | 5 Q