3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = []; var_dump( @$arr['foo'], $arr['foo'], (string) null );

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)
8.3.70.0170.00318.56
8.3.60.0160.00318.30
8.3.50.0120.00922.05
8.3.40.0110.00418.62
8.3.30.0030.01418.92
8.3.20.0040.00420.04
8.3.10.0030.00520.53
8.3.00.0080.00019.56
8.2.180.0170.00316.38
8.2.170.0170.00322.96
8.2.160.0090.00620.53
8.2.150.0070.00024.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0070.00722.22
8.2.110.0030.00620.91
8.2.100.0050.00518.03
8.2.90.0040.00419.23
8.2.80.0040.00417.97
8.2.70.0050.00317.46
8.2.60.0040.00417.93
8.2.50.0000.00818.07
8.2.40.0080.00018.03
8.2.30.0040.00419.30
8.2.20.0080.00017.86
8.2.10.0040.00417.91
8.2.00.0040.00417.63
8.1.280.0110.00425.92
8.1.270.0080.00023.96
8.1.260.0020.00526.35
8.1.250.0080.00028.09
8.1.240.0040.00422.06
8.1.230.0100.00718.64
8.1.220.0080.00017.74
8.1.210.0060.00318.77
8.1.200.0030.00917.35
8.1.190.0000.00817.23
8.1.180.0090.00018.10
8.1.170.0060.00318.59
8.1.160.0040.00421.98
8.1.150.0000.00818.79
8.1.140.0000.00917.31
8.1.130.0000.00617.86
8.1.120.0000.00917.35
8.1.110.0000.00717.48
8.1.100.0050.00317.46
8.1.90.0020.00917.46
8.1.80.0030.00517.36
8.1.70.0000.00717.41
8.1.60.0030.00517.62
8.1.50.0030.00517.41
8.1.40.0000.00817.50
8.1.30.0000.00917.62
8.1.20.0040.00417.55
8.1.10.0040.00417.61
8.1.00.0040.00417.46
8.0.300.0060.00320.14
8.0.290.0070.00016.75
8.0.280.0030.00318.43
8.0.270.0040.00417.25
8.0.260.0030.00317.25
8.0.250.0000.00716.98
8.0.240.0000.00717.02
8.0.230.0000.00716.89
8.0.220.0030.00316.89
8.0.210.0000.00616.84
8.0.200.0030.00316.96
8.0.190.0050.00316.88
8.0.180.0000.00716.97
8.0.170.0080.00016.93
8.0.160.0000.00816.89
8.0.150.0030.00416.91
8.0.140.0000.00716.92
8.0.130.0030.00313.45
8.0.120.0000.00716.86
8.0.110.0050.00316.83
8.0.100.0000.00717.05
8.0.90.0070.00016.84
8.0.80.0090.00616.95
8.0.70.0080.00017.00
8.0.60.0000.00716.85
8.0.50.0000.00716.93
8.0.30.0120.00717.09
8.0.20.0080.01317.40
8.0.10.0080.00017.10
8.0.00.0040.01316.72
7.4.330.0000.00515.00
7.4.320.0000.00616.47
7.4.300.0040.00416.49
7.4.290.0030.00316.54
7.4.280.0030.00516.50
7.4.270.0020.00516.50
7.4.260.0000.00716.40
7.4.250.0000.00816.37
7.4.240.0020.00516.46
7.4.230.0070.00016.70
7.4.220.0100.01016.61
7.4.210.0090.00616.55
7.4.200.0040.00416.49
7.4.160.0090.00916.79
7.4.150.0160.00417.40
7.4.140.0110.00917.86
7.4.130.0090.00816.63
7.4.120.0060.01016.53
7.4.110.0100.00616.43
7.4.100.0070.01316.36
7.4.90.0100.00616.45
7.4.80.0080.01116.59
7.4.70.0130.00416.70
7.4.60.0070.01016.54
7.4.50.0030.00316.66
7.4.40.0080.00816.43
7.4.30.0090.00916.42
7.4.10.0080.01115.07
7.4.00.0060.01214.70
7.3.330.0000.00713.09
7.3.320.0000.00513.06
7.3.310.0000.00716.29
7.3.300.0040.00416.11
7.3.290.0070.00716.26
7.3.280.0080.00616.24
7.3.270.0110.00817.40
7.3.260.0120.00816.34
7.3.250.0090.00716.37
7.3.240.0130.00616.30
7.3.230.0090.00916.39
7.3.210.0000.01616.20
7.3.200.0110.00719.39
7.3.190.0090.01216.25
7.3.180.0060.00916.20
7.3.170.0080.00816.34
7.3.160.0040.01116.34
7.3.130.0060.01114.77
7.3.120.0040.01414.62
7.3.110.0080.01014.68
7.3.100.0070.00514.89
7.3.90.0060.00714.79
7.3.80.0000.01014.91
7.3.70.0080.00414.74
7.3.60.0080.00714.72
7.3.50.0050.00614.72
7.3.40.0050.00714.59
7.3.30.0100.00314.86
7.3.20.0050.00716.53
7.3.10.0060.00616.51
7.3.00.0060.00816.63
7.2.330.0100.00716.53
7.2.320.0120.00416.54
7.2.310.0090.00916.29
7.2.300.0120.00616.67
7.2.290.0100.00616.65
7.2.260.0050.01314.74
7.2.250.0070.01014.85
7.2.240.0060.01014.94
7.2.230.0070.00914.82
7.2.220.0050.01214.86
7.2.210.0070.00714.79
7.2.200.0070.00714.94
7.2.190.0080.00815.09
7.2.180.0050.00814.91
7.2.170.0050.00814.98
7.2.160.0090.00014.81
7.2.150.0030.01116.65
7.2.140.0050.00716.77
7.2.130.0100.00616.75
7.2.120.0050.01116.64
7.2.110.0050.01216.58
7.2.100.0060.01116.69
7.2.90.0080.00716.84
7.2.80.0060.01116.83
7.2.70.0070.00916.79
7.2.60.0070.00816.75
7.2.50.0080.00916.75
7.2.40.0080.00816.74
7.2.30.0060.01116.76
7.2.20.0070.01016.76
7.2.10.0100.00716.82
7.2.00.0100.00616.77
7.1.330.0090.00515.69
7.1.320.0060.00815.72
7.1.310.0050.00815.78
7.1.300.0050.00915.72
7.1.290.0040.00715.78
7.1.280.0030.00815.82
7.1.270.0070.00515.79
7.1.260.0070.00715.70
7.1.250.0030.01215.63
7.1.240.0060.01115.60
7.1.230.0020.01115.71
7.1.220.0050.00915.83
7.1.210.0070.00715.54
7.1.200.0060.00815.71
7.1.190.0070.00515.86
7.1.180.0010.01015.85
7.1.170.0040.00915.62
7.1.160.0040.00915.65
7.1.150.0020.00915.80
7.1.140.0060.00915.69
7.1.130.0100.00315.83
7.1.120.0040.00615.66
7.1.110.0030.00915.72
7.1.100.0060.00616.73
7.1.90.0020.01015.79
7.1.80.0050.00615.71
7.1.70.0020.00916.07
7.1.60.0090.00816.79
7.1.50.0070.01116.16
7.1.40.0030.01015.78
7.1.30.0030.00715.85
7.1.20.0060.00615.64
7.1.10.0030.00915.70
7.1.00.0100.02618.05
7.0.330.0110.00315.45
7.0.320.0040.00915.43
7.0.310.0080.00315.32
7.0.300.0070.00315.34
7.0.290.0000.01315.31
7.0.280.0100.00515.22
7.0.270.0010.01015.31
7.0.260.0030.00815.27
7.0.250.0050.00815.39
7.0.240.0050.00815.17
7.0.230.0080.00615.29
7.0.220.0070.00515.41
7.0.210.0050.00915.35
7.0.200.0030.01015.80
7.0.190.0030.00915.38
7.0.180.0020.00815.50
7.0.170.0100.00515.34
7.0.160.0090.00415.22
7.0.150.0030.01015.30
7.0.140.0050.03017.70
7.0.130.0070.00915.39
7.0.120.0050.01015.39
7.0.110.0040.00415.36
7.0.100.0040.00715.25
7.0.90.0030.00515.34
7.0.80.0050.00915.37
7.0.70.0080.00515.07
7.0.60.0070.03016.89
7.0.50.0040.02116.21
7.0.40.0110.01715.58
7.0.30.0100.02215.68
7.0.20.0110.02615.61
7.0.10.0060.01915.70
7.0.00.0030.02715.61
5.6.400.0030.00814.30
5.6.390.0090.00914.29
5.6.380.0000.01214.25
5.6.370.0060.00714.24
5.6.360.0050.00714.40
5.6.350.0070.00414.31
5.6.340.0080.00614.20
5.6.330.0080.00514.37
5.6.320.0040.00614.23
5.6.310.0020.01014.38
5.6.300.0070.00714.18
5.6.290.0050.00814.22
5.6.280.0070.02916.61
5.6.270.0080.00814.47
5.6.260.0090.00314.27
5.6.250.0080.00614.27
5.6.240.0080.00514.37
5.6.230.0080.00614.30
5.6.220.0090.00814.32
5.6.210.0080.02916.44
5.6.200.0080.02215.61
5.6.190.0070.02016.42
5.6.180.0180.01616.41
5.6.170.0180.02016.32
5.6.160.0040.03616.42
5.6.150.0040.02015.49
5.6.140.0100.01415.56
5.6.130.0040.02715.53
5.6.120.0010.02316.54
5.6.110.0050.02916.49
5.6.100.0020.02916.43
5.6.90.0030.02216.67
5.6.80.0050.02716.29
5.6.70.0060.00714.04
5.6.60.0050.00914.10
5.6.50.0110.00214.31
5.6.40.0090.00614.24
5.6.30.0050.00514.34
5.6.20.0040.01214.14
5.6.10.0060.00714.29
5.6.00.0050.00814.24
5.5.380.0050.01014.18
5.5.370.0080.00614.13
5.5.360.0070.00714.30
5.5.350.0100.02616.37
5.5.340.0010.02215.50
5.5.330.0040.02316.45
5.5.320.0140.02016.27
5.5.310.0090.02116.40
5.5.300.0060.02015.55
5.5.290.0060.02415.47
5.5.280.0070.02416.37
5.5.270.0060.01816.60
5.5.260.0060.02716.30
5.5.250.0060.02616.43
5.5.240.0060.02016.19
5.5.230.0080.00514.32
5.5.220.0020.00614.05
5.5.210.0100.00514.04
5.5.200.0050.01214.15
5.5.190.0030.01214.17
5.5.180.0080.00614.37
5.5.170.0030.01014.07
5.5.160.0060.00614.22
5.5.150.0050.01014.27
5.5.140.0070.00614.30
5.5.130.0050.00714.22
5.5.120.0040.00914.25
5.5.110.0030.01014.24
5.5.100.0050.00814.15
5.5.90.0050.00514.27
5.5.80.0060.00814.20
5.5.70.0030.00914.07
5.5.60.0030.00814.07
5.5.50.0030.00814.34
5.5.40.0030.00814.13
5.5.30.0040.00614.43
5.5.20.0080.00313.88
5.5.10.0030.00614.25
5.5.00.0030.01214.07
5.4.450.0100.02213.82
5.4.440.0370.02413.85
5.4.430.0360.02013.79
5.4.420.0320.02113.79
5.4.410.0210.02413.84
5.4.400.0360.01813.73
5.4.390.0330.02313.62
5.4.380.0130.02113.47
5.4.370.0210.02513.60
5.4.360.0140.02513.39
5.4.350.0250.02713.46
5.4.340.0160.02013.43
5.4.330.0040.00310.88
5.4.320.0060.01511.52
5.4.310.0040.02011.44
5.4.300.0060.01611.35
5.4.290.0070.01811.40
5.4.280.0060.01311.47
5.4.270.0050.01711.37
5.4.260.0060.01411.46
5.4.250.0030.01611.49
5.4.240.0050.01911.37
5.4.230.0020.02011.46
5.4.220.0040.01611.44
5.4.210.0030.01611.45
5.4.200.0030.01711.42
5.4.190.0040.01411.38
5.4.180.0030.01611.34
5.4.170.0040.01511.36
5.4.160.0040.01711.47
5.4.150.0040.01411.47
5.4.140.0010.02111.44
5.4.130.0050.01711.43
5.4.120.0050.01511.23
5.4.110.0030.01611.37
5.4.100.0050.01511.30
5.4.90.0040.01711.31
5.4.80.0060.01611.23
5.4.70.0070.01311.33
5.4.60.0030.01611.33
5.4.50.0060.01511.41
5.4.40.0060.01411.34
5.4.30.0030.01711.18
5.4.20.0060.01511.34
5.4.10.0080.01311.28
5.4.00.0070.01311.13
5.3.290.0060.03812.80
5.3.280.0040.03812.71
5.3.270.0050.03912.72
5.3.260.0050.03912.72
5.3.250.0090.03612.72
5.3.240.0090.04412.72
5.3.230.0050.03712.71
5.3.220.0040.03812.68
5.3.210.0080.04512.68
5.3.200.0060.03512.68
5.3.190.0070.03512.67
5.3.180.0070.03412.67
5.3.170.0060.03512.67
5.3.160.0080.03312.67
5.3.150.0090.03312.67
5.3.140.0090.03712.66
5.3.130.0050.04312.66
5.3.120.0090.03812.66
5.3.110.0070.04512.65
5.3.100.0050.03612.12
5.3.90.0050.03712.09
5.3.80.0050.03512.08
5.3.70.0070.03512.07
5.3.60.0040.03712.06
5.3.50.0080.03312.00
5.3.40.0060.04112.00
5.3.30.0100.03411.95
5.3.20.0030.04311.73
5.3.10.0080.03111.70
5.3.00.0060.03511.68
5.2.170.0050.0319.18
5.2.160.0100.0229.18
5.2.150.0060.0289.18
5.2.140.0050.0319.18
5.2.130.0070.0339.14
5.2.120.0060.0299.14
5.2.110.0050.0279.15
5.2.100.0050.0309.14
5.2.90.0070.0349.14
5.2.80.0050.0329.14
5.2.70.0020.0339.14
5.2.60.0060.0299.09
5.2.50.0030.0319.05
5.2.40.0050.0279.03
5.2.30.0050.0369.02
5.2.20.0010.0319.00
5.2.10.0040.0288.92
5.2.00.0040.0298.78
5.1.60.0050.0238.06
5.1.50.0020.0298.07
5.1.40.0020.0278.05
5.1.30.0050.0238.39
5.1.20.0060.0328.42
5.1.10.0040.0318.14
5.1.00.0060.0278.14
5.0.50.0050.0226.62
5.0.40.0080.0216.48
5.0.30.0050.0306.29
5.0.20.0050.0186.26
5.0.10.0040.0196.24
5.0.00.0070.0266.23
4.4.90.0070.0174.78
4.4.80.0030.0154.75
4.4.70.0010.0174.76
4.4.60.0040.0154.75
4.4.50.0020.0154.77
4.4.40.0030.0244.71
4.4.30.0030.0154.76
4.4.20.0060.0164.84
4.4.10.0050.0174.85
4.4.00.0050.0244.75
4.3.110.0030.0154.67
4.3.100.0040.0194.67
4.3.90.0010.0154.64
4.3.80.0020.0244.58
4.3.70.0060.0154.63
4.3.60.0040.0164.63
4.3.50.0050.0164.63
4.3.40.0060.0244.54
4.3.30.0030.0153.29
4.3.20.0010.0233.26
4.3.10.0010.0163.22
4.3.00.0000.0236.80

preferences:
51.13 ms | 401 KiB | 5 Q