3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = null; $x[1] = 2; var_dump($x);

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)
8.3.40.0100.01018.80
8.3.30.0100.00718.72
8.3.20.0040.00418.65
8.3.10.0070.01120.96
8.3.00.0060.00821.90
8.2.170.0070.00722.96
8.2.160.0130.00320.47
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0060.00319.04
8.2.110.0070.00320.43
8.2.100.0090.00317.66
8.2.90.0040.00419.21
8.2.80.0040.00417.97
8.2.70.0080.00017.50
8.2.60.0060.00318.03
8.2.50.0040.00418.07
8.2.40.0000.00718.22
8.2.30.0070.00021.22
8.2.20.0040.00417.71
8.2.10.0000.00717.55
8.2.00.0040.00817.74
8.1.270.0000.00823.99
8.1.260.0030.01626.35
8.1.250.0130.00328.09
8.1.240.0060.00322.48
8.1.230.0080.00320.97
8.1.220.0040.00418.77
8.1.210.0000.00818.88
8.1.200.0030.00617.47
8.1.190.0070.00017.16
8.1.180.0000.00818.10
8.1.170.0040.00418.46
8.1.160.0000.00818.73
8.1.150.0070.00318.61
8.1.140.0040.00417.29
8.1.130.0040.00417.79
8.1.120.0000.01017.31
8.1.110.0040.00417.40
8.1.100.0040.00417.29
8.1.90.0000.00717.39
8.1.80.0050.00217.39
8.1.70.0030.00317.35
8.1.60.0000.00917.57
8.1.50.0050.00317.32
8.1.40.0030.00517.39
8.1.30.0000.00817.51
8.1.20.0040.00417.45
8.1.10.0000.00817.49
8.1.00.0040.00417.39
8.0.300.0040.00419.86
8.0.290.0030.00516.93
8.0.280.0030.00318.25
8.0.270.0040.00417.18
8.0.260.0030.00316.66
8.0.250.0050.00216.77
8.0.240.0050.00316.79
8.0.230.0040.00716.87
8.0.220.0030.00316.82
8.0.210.0000.00716.82
8.0.200.0000.00716.86
8.0.190.0080.00016.90
8.0.180.0040.00416.89
8.0.170.0040.00416.82
8.0.160.0070.00016.95
8.0.150.0080.00016.78
8.0.140.0070.00316.67
8.0.130.0030.00313.24
8.0.120.0000.00716.67
8.0.110.0070.00016.85
8.0.100.0040.00416.88
8.0.90.0050.00316.89
8.0.80.0030.01116.81
8.0.70.0000.00716.71
8.0.60.0000.00716.81
8.0.50.0040.00416.71
8.0.30.0090.00916.97
8.0.20.0100.00817.40
8.0.10.0000.00816.93
8.0.00.0190.00216.69
7.4.330.0050.00016.79
7.4.320.0040.00616.51
7.4.300.0000.00816.55
7.4.290.0040.00416.52
7.4.280.0030.00316.41
7.4.270.0030.00316.52
7.4.260.0050.00013.19
7.4.250.0000.00816.49
7.4.240.0070.00016.54
7.4.230.0070.00016.43
7.4.220.0140.00316.50
7.4.210.0110.00516.52
7.4.200.0000.00716.54
7.4.190.0000.00716.38
7.4.160.0120.00916.30
7.4.150.0160.00017.40
7.4.140.0120.00617.86
7.4.130.0150.00716.54
7.4.120.0100.00716.34
7.4.110.0070.01016.21
7.4.100.0100.00716.59
7.4.90.0100.00716.44
7.4.80.0130.00319.39
7.4.70.0100.00716.41
7.4.60.0090.00916.52
7.4.50.0000.00816.34
7.4.40.0030.00722.77
7.4.30.0100.00716.52
7.4.10.0080.01214.62
7.4.00.0060.00914.94
7.3.330.0050.00013.13
7.3.320.0030.00312.98
7.3.310.0030.00316.23
7.3.300.0000.00616.22
7.3.290.0030.01016.21
7.3.280.0080.00916.14
7.3.270.0030.01517.40
7.3.260.0170.00218.24
7.3.250.0090.00816.41
7.3.240.0160.00616.40
7.3.230.0210.00316.39
7.3.210.0170.00716.30
7.3.200.0090.00919.39
7.3.190.0030.01916.12
7.3.180.0060.00916.31
7.3.170.0090.00616.36
7.3.160.0040.01116.53
7.3.130.0140.00314.70
7.3.120.0100.00714.86
7.3.110.0100.00714.68
7.3.100.0040.00814.46
7.3.90.0080.00714.68
7.3.80.0030.00914.87
7.3.70.0090.00514.81
7.3.60.0030.00914.46
7.3.50.0070.00814.58
7.3.40.0020.01114.42
7.3.30.0090.00414.57
7.3.20.0050.00916.56
7.3.10.0040.01016.45
7.3.00.0060.00616.68
7.2.330.0070.01016.46
7.2.320.0080.01116.16
7.2.310.0080.01516.27
7.2.300.0100.00716.40
7.2.290.0060.01116.37
7.2.260.0180.00014.50
7.2.250.0070.01114.69
7.2.240.0050.01014.69
7.2.230.0070.01114.98
7.2.220.0080.00814.57
7.2.210.0070.00714.79
7.2.200.0070.00814.52
7.2.190.0040.01014.89
7.2.180.0090.00614.85
7.2.170.0070.00814.84
7.2.160.0040.00714.66
7.2.150.0080.00816.75
7.2.140.0070.01116.78
7.2.130.0030.00616.59
7.2.120.0030.00616.68
7.2.110.0080.00816.51
7.2.100.0070.00716.40
7.2.90.0030.01316.64
7.2.80.0060.01016.56
7.2.70.0000.01216.70
7.2.60.0050.00716.53
7.2.50.0030.01016.64
7.2.40.0090.00316.65
7.2.30.0000.01316.88
7.2.20.0000.01416.87
7.2.10.0080.00616.80
7.2.00.0080.00917.88
7.1.330.0050.00915.47
7.1.320.0030.01015.77
7.1.310.0090.00515.84
7.1.300.0050.00915.67
7.1.290.0110.00315.60
7.1.280.0020.01115.77
7.1.270.0060.00515.61
7.1.260.0060.00715.58
7.1.250.0120.00315.77
7.1.240.0050.00315.77
7.1.230.0080.00615.68
7.1.220.0060.00615.68
7.1.210.0100.00715.51
7.1.200.0090.00515.78
7.1.190.0070.00715.78
7.1.180.0080.00315.71
7.1.170.0000.00915.83
7.1.160.0030.01215.67
7.1.150.0030.00915.69
7.1.140.0000.01115.68
7.1.130.0030.00915.38
7.1.120.0040.01215.72
7.1.110.0040.00715.66
7.1.100.0420.01415.85
7.1.90.0080.00015.35
7.1.80.0090.00315.64
7.1.70.0020.01016.29
7.1.60.0080.00617.55
7.1.50.0020.01716.15
7.1.40.0060.00915.36
7.1.30.0030.00615.68
7.1.20.0040.01115.75
7.1.10.0090.00315.66
7.1.00.0010.02119.13
7.0.330.0070.00715.39
7.0.320.0040.00415.47
7.0.310.0070.00715.19
7.0.300.0030.01015.46
7.0.290.0000.01215.59
7.0.280.0060.00615.05
7.0.270.0130.00015.61
7.0.260.0060.00615.42
7.0.250.0040.00815.28
7.0.240.0090.00015.26
7.0.230.0030.00815.38
7.0.220.0060.00615.27
7.0.210.0090.00315.23
7.0.200.0030.00516.01
7.0.190.0070.00715.22
7.0.180.0040.00415.32
7.0.170.0030.00915.14
7.0.160.0000.01115.21
7.0.150.0090.00615.41
7.0.140.0050.04018.54
7.0.130.0040.00415.22
7.0.120.0040.00815.42
7.0.110.0000.01015.50
7.0.100.0030.00515.36
7.0.90.0030.00915.22
7.0.80.0100.00315.41
7.0.70.0000.01015.39
7.0.60.0070.03717.68
7.0.50.0030.04516.67
7.0.40.0060.02316.81
7.0.30.0210.03816.64
7.0.20.0100.03316.73
7.0.10.0120.02316.72
7.0.00.0070.04516.74
5.6.400.0100.00714.59
5.6.390.0070.00714.63
5.6.380.0060.00314.69
5.6.370.0040.00414.23
5.6.360.0070.00714.48
5.6.350.0060.00314.23
5.6.340.0060.00314.05
5.6.330.0050.00514.06
5.6.320.0040.00814.43
5.6.310.0100.00714.46
5.6.300.0070.01014.20
5.6.290.0000.01614.24
5.6.280.0090.03717.54
5.6.270.0030.00913.95
5.6.260.0070.00714.18
5.6.250.0110.00413.92
5.6.240.0040.00714.18
5.6.230.0060.00314.23
5.6.220.0030.00714.64
5.6.210.0060.02317.32
5.6.200.0060.04416.09
5.6.190.0030.04817.32
5.6.180.0020.02917.16
5.6.170.0290.03517.33
5.6.160.0000.02717.39
5.6.150.0050.03016.09
5.6.140.0030.03616.08
5.6.130.0070.04516.12
5.6.120.0050.02517.63
5.6.110.0080.04517.69
5.6.100.0080.02017.59
5.6.90.0120.03717.62
5.6.80.0060.02117.35
5.6.70.0140.00014.24
5.6.60.0030.00614.38
5.6.50.0070.00414.24
5.6.40.0080.00013.97
5.6.30.0110.00614.50
5.6.20.0000.01414.20
5.6.10.0040.00714.06
5.6.00.0080.00413.79
5.5.380.0040.01114.28
5.5.370.0040.00414.21
5.5.360.0090.00314.18
5.5.350.0030.04917.38
5.5.340.0050.04316.20
5.5.330.0030.03017.29
5.5.320.0040.02317.22
5.5.310.0130.02517.13
5.5.300.0030.03015.98
5.5.290.0030.05016.02
5.5.280.0060.02317.46
5.5.270.0100.02817.51
5.5.260.0030.04817.46
5.5.250.0050.04317.28
5.5.240.0120.03817.20
5.5.230.0090.00314.01
5.5.220.0050.00514.19
5.5.210.0000.01114.30
5.5.200.0110.00013.93
5.5.190.0110.00314.24
5.5.180.0050.00314.02
5.5.170.0100.00314.22
5.5.160.0070.00714.20
5.5.150.0070.00714.36
5.5.140.0030.01014.14
5.5.130.0040.00413.98
5.5.120.0040.01114.14
5.5.110.0030.00914.21
5.5.100.0070.00714.38
5.5.90.0030.01014.09
5.5.80.0090.00014.27
5.5.70.0090.00414.21
5.5.60.0030.00914.01
5.5.50.0070.00714.06
5.5.40.0070.00714.25
5.5.30.0150.00014.03
5.5.20.0030.01014.38
5.5.10.0030.01014.29
5.5.00.0070.00714.30
5.4.450.0200.03315.61
5.4.440.0130.02215.76
5.4.430.0220.01715.82
5.4.420.0120.04815.76
5.4.410.0050.02415.76
5.4.400.0110.02515.63
5.4.390.0150.02815.58
5.4.380.0100.02215.62
5.4.370.0150.01815.67
5.4.360.0120.02615.61
5.4.350.0090.03715.58
5.4.340.0100.02815.58
5.4.330.0100.00012.09
5.4.320.0130.04015.59
5.4.310.0120.02415.50
5.4.300.0110.02115.57
5.4.290.0030.02615.50
5.4.280.0150.01715.51
5.4.270.0090.02215.59
5.4.260.0100.02215.43
5.4.250.0160.01515.49
5.4.240.0070.02415.61
5.4.230.0100.02215.61
5.4.220.0110.02615.59
5.4.210.0150.02315.59
5.4.200.0100.02015.58
5.4.190.0140.02215.58
5.4.180.0150.03515.67
5.4.170.0100.04415.51
5.4.160.0070.02715.61
5.4.150.0140.01815.66
5.4.140.0050.03114.32
5.4.130.0080.02214.20
5.4.120.0150.02014.31
5.4.110.0100.02014.24
5.4.100.0100.02214.29
5.4.90.0080.02414.24
5.4.80.0120.02014.25
5.4.70.0120.02114.23
5.4.60.0110.02314.15
5.4.50.0070.02314.15
5.4.40.0110.02014.15
5.4.30.0120.02014.13
5.4.20.0150.02314.22
5.4.10.0150.02214.21
5.4.00.0070.02213.93
5.3.290.0130.02513.31
5.3.280.0090.02213.33
5.3.270.0130.02013.28
5.3.260.0120.03313.28
5.3.250.0120.01813.27
5.3.240.0110.02113.34
5.3.230.0100.02313.29
5.3.220.0130.02013.30
5.3.210.0100.02313.35
5.3.200.0100.03713.37
5.3.190.0080.02413.25
5.3.180.0150.02513.26
5.3.170.0120.02713.30
5.3.160.0100.02013.24
5.3.150.0110.02413.25
5.3.140.0080.02213.29
5.3.130.0170.03513.37
5.3.120.0130.03013.31
5.3.110.0130.03713.37
5.3.100.0080.02812.98
5.3.90.0170.03313.06
5.3.80.0070.02812.97
5.3.70.0160.01612.95
5.3.60.0150.02013.02
5.3.50.0150.02213.06
5.3.40.0130.03813.04
5.3.30.0150.03513.05
5.3.20.0130.02712.81
5.3.10.0080.02412.77
5.3.00.0020.02212.84
5.2.170.0070.03310.98
5.2.160.0170.02711.08
5.2.150.0130.03011.08
5.2.140.0170.03711.19
5.2.130.0170.03311.11
5.2.120.0170.03010.98
5.2.110.0130.04310.93
5.2.100.0170.03011.16
5.2.90.0230.05311.11
5.2.80.0100.03310.93
5.2.70.0170.03311.09
5.2.60.0270.04311.07
5.2.50.0200.05711.07
5.2.40.0130.06010.85
5.2.30.0130.06010.82
5.2.20.0130.04711.00
5.2.10.0130.03010.80
5.2.00.0130.03310.87
5.1.60.0130.0439.86
5.1.50.0130.0509.86
5.1.40.0130.0509.90
5.1.30.0170.05010.38
5.1.20.0130.05710.25
5.1.10.0130.03710.18
5.1.00.0170.0409.95
5.0.50.0030.0238.61
5.0.40.0100.0308.34
5.0.30.0070.0478.32
5.0.20.0070.0238.31
5.0.10.0070.0408.09
5.0.00.0130.0578.04
4.4.90.0070.0237.63
4.4.80.0070.0177.63
4.4.70.0070.0277.63
4.4.60.0100.0137.63
4.4.50.0070.0177.63
4.4.40.0000.0307.63
4.4.30.0000.0237.63
4.4.20.0000.0207.63
4.4.10.0000.0377.63
4.4.00.0000.0237.63
4.3.110.0000.0137.63
4.3.100.0070.0207.63
4.3.90.0000.0177.63
4.3.80.0000.0277.63
4.3.70.0730.0177.63
4.3.60.0770.0237.63
4.3.50.0700.0177.63
4.3.40.0670.0307.63
4.3.30.0470.0277.63
4.3.20.0330.0137.63
4.3.10.0470.0307.63
4.3.00.0500.0177.63

preferences:
45.31 ms | 400 KiB | 5 Q