3v4l.org

run code in 300+ PHP versions simultaneously
<?php $null = $a[$x]; var_dump($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)
8.5.10.0100.00916.55
8.5.00.0140.00820.18
8.4.150.0020.00014.05
8.4.140.0160.00617.41
8.4.130.0060.00417.88
8.4.120.0070.00322.52
8.4.110.0120.00818.70
8.4.100.0430.00917.59
8.4.90.0380.01117.70
8.4.80.0460.00617.86
8.4.70.0450.00817.77
8.4.60.0390.01117.73
8.4.50.0420.00817.88
8.4.40.0430.00517.61
8.4.30.0420.01217.63
8.4.20.0300.00617.55
8.4.10.0220.00817.92
8.3.280.0020.00014.05
8.3.270.0090.01016.81
8.3.260.0120.00616.53
8.3.250.0090.00617.11
8.3.240.0090.01116.63
8.3.230.0260.00616.31
8.3.220.0410.00616.78
8.3.210.0370.00916.36
8.3.200.0350.00816.68
8.3.190.0220.00416.62
8.3.180.0150.00516.55
8.3.170.0180.00416.29
8.3.160.0390.01216.52
8.3.150.0380.01016.49
8.3.140.0360.00616.52
8.3.130.0170.00316.50
8.3.120.0200.00616.44
8.3.110.0170.00716.44
8.3.100.0260.00916.29
8.3.90.0440.01016.37
8.3.80.0320.00516.55
8.3.70.0310.01316.32
8.3.60.0300.00616.54
8.3.50.0240.00316.66
8.3.40.0260.00817.42
8.3.30.0300.00917.42
8.3.20.0200.00517.35
8.3.10.0190.00517.51
8.3.00.0260.00817.57
8.2.290.0260.01016.54
8.2.280.0300.00616.60
8.2.270.0320.00816.22
8.2.260.0320.00816.59
8.2.250.0300.01016.69
8.2.240.0360.00416.49
8.2.230.0280.00616.59
8.2.220.0250.00416.84
8.2.210.0140.00516.65
8.2.200.0140.00516.70
8.2.190.0280.00616.71
8.2.180.0360.00416.46
8.2.170.0360.00717.57
8.2.160.0310.00917.71
8.2.150.0380.00517.54
8.2.140.0310.01417.61
8.2.130.0360.00717.52
8.2.120.0420.01017.69
8.2.110.0310.00317.70
8.2.100.0370.00917.52
8.2.90.0350.00717.77
8.2.80.0320.01017.40
8.2.70.0350.00817.55
8.2.60.0320.01117.54
8.2.50.0320.00717.42
8.2.40.0410.00617.47
8.2.30.0320.00817.45
8.2.20.0350.00717.38
8.2.10.0290.01217.38
8.2.00.0200.00517.60
8.1.330.0140.00316.32
8.1.320.0150.00216.29
8.1.310.0300.01116.24
8.1.300.0340.00716.27
8.1.290.0330.00916.09
8.1.280.0430.00716.31
8.1.270.0370.00417.15
8.1.260.0290.00717.32
8.1.250.0210.01117.27
8.1.240.0310.00717.13
8.1.230.0270.01117.25
8.1.220.0280.00717.34
8.1.210.0150.00317.17
8.1.200.0310.01017.15
8.1.190.0220.00317.13
8.1.180.0310.00717.26
8.1.170.0260.01017.03
8.1.160.0320.00916.93
8.1.150.0330.00717.18
8.1.140.0310.00717.26
8.1.130.0300.00417.14
8.1.120.0130.00417.36
8.1.110.0290.00816.98
8.1.100.0220.00617.23
8.1.90.0300.00817.23
8.1.80.0200.00517.35
8.1.70.0130.00417.31
8.1.60.0160.00117.28
8.1.50.0140.00817.28
8.1.40.0300.00817.28
8.1.30.0300.00817.28
8.1.20.0290.00917.27
8.1.10.0280.00717.55
8.1.00.0260.01217.19
8.0.300.0340.00716.65
8.0.290.0390.00716.64
8.0.280.0360.00616.68
8.0.270.0400.00716.58
8.0.260.0330.00716.34
8.0.250.0270.01016.52
8.0.240.0280.01016.55
8.0.230.0340.00916.48
8.0.220.0120.00516.57
8.0.210.0140.00516.67
8.0.200.0150.00316.65
8.0.190.0160.00216.51
8.0.180.0270.00916.51
8.0.170.0200.00416.62
8.0.160.0230.00116.38
8.0.150.0180.00316.43
8.0.140.0310.00916.61
8.0.130.0250.00716.67
8.0.120.0190.00216.58
8.0.110.0160.00516.42
8.0.100.0170.00516.52
8.0.90.0270.00116.62
8.0.80.0250.00616.68
8.0.70.0310.00716.33
8.0.60.0310.00616.43
8.0.50.0320.00516.57
8.0.30.0320.00616.80
8.0.20.0230.01016.61
8.0.10.0170.00616.64
8.0.00.0330.00816.56
7.4.330.0370.00816.13
7.4.320.0260.00716.08
7.4.300.0160.00916.12
7.4.290.0320.00716.34
7.4.280.0200.00516.33
7.4.270.0130.00416.19
7.4.260.0160.00616.26
7.4.250.0210.01116.29
7.4.240.0240.01116.22
7.4.230.0280.00916.34
7.4.220.0290.00616.22
7.4.210.0300.00616.28
7.4.200.0280.00716.33
7.4.190.0250.00716.33
7.4.180.0320.00816.34
7.4.160.0240.00816.10
7.4.150.0350.00616.10
7.4.140.0290.00716.11
7.4.130.0270.00816.06
7.4.120.0260.00516.12
7.4.110.0260.00915.94
7.4.100.0280.00916.17
7.4.90.0280.00816.09
7.4.80.0290.00716.13
7.4.70.0140.00116.32
7.4.60.0140.00516.14
7.4.50.0280.00816.00
7.4.40.0220.00216.14
7.4.30.0100.00616.18
7.4.20.0260.00816.19
7.4.10.0280.00715.85
7.4.00.0300.00516.06
7.3.330.0270.00815.85
7.3.320.0390.00715.81
7.3.310.0390.00316.05
7.3.300.0270.00916.05
7.3.290.0300.00715.87
7.3.280.0350.00715.93
7.3.270.0320.00415.95
7.3.260.0290.00616.13
7.3.250.0280.00716.04
7.3.240.0260.00716.21
7.3.230.0240.01116.03
7.3.220.0260.01116.08
7.3.210.0320.00416.08
7.3.200.0260.01115.81
7.3.190.0300.00716.02
7.3.180.0360.00516.11
7.3.170.0320.00415.80
7.3.160.0290.00715.83
7.3.150.0320.00815.81
7.3.140.0290.00715.95
7.3.130.0240.01016.03
7.3.120.0280.00716.07
7.3.110.0290.00615.95
7.3.100.0300.00515.79
7.3.90.0270.00816.45
7.3.80.0290.00716.09
7.3.70.0310.00415.93
7.3.60.0210.00316.21
7.3.50.0120.00316.10
7.3.40.0290.00516.25
7.3.30.0300.00416.21
7.3.20.0350.00917.57
7.3.10.0280.00917.69
7.3.00.0290.00718.04
7.2.340.0290.00516.05
7.2.330.0370.00515.92
7.2.320.0290.00816.13
7.2.310.0260.00816.12
7.2.300.0300.00516.02
7.2.290.0260.00916.10
7.2.280.0330.00516.10
7.2.270.0220.00815.91
7.2.260.0260.00716.12
7.2.250.0110.00616.05
7.2.240.0120.00416.27
7.2.230.0120.00416.05
7.2.220.0120.00415.93
7.2.210.0280.00716.04
7.2.200.0290.00716.06
7.2.190.0280.00616.25
7.2.180.0250.00916.05
7.2.170.0280.00816.01
7.2.160.0320.00615.91
7.2.150.0280.00618.14
7.2.140.0320.00718.00
7.2.130.0140.00618.03
7.2.120.0150.00218.28
7.2.110.0240.01018.20
7.2.100.0280.00718.04
7.2.90.0300.00718.19
7.2.80.0290.00718.15
7.2.70.0180.00818.17
7.2.60.0140.00317.89
7.2.50.0270.00817.85
7.2.40.0300.00618.23
7.2.30.0160.00618.29
7.2.20.0180.00418.29
7.2.10.0350.00718.09
7.2.00.0280.00817.97
7.1.330.0340.00616.96
7.1.320.0300.00517.26
7.1.310.0300.00717.06
7.1.300.0240.00917.37
7.1.290.0310.00816.87
7.1.280.0260.00517.21
7.1.270.0260.00917.05
7.1.260.0280.00717.09
7.1.250.0230.00717.12
7.1.240.0230.00717.03
7.1.230.0280.00317.16
7.1.220.0250.00617.02
7.1.210.0180.00317.16
7.1.200.0120.00317.05
7.1.190.0110.00417.17
7.1.180.0140.00517.30
7.1.170.0120.00216.96
7.1.160.0100.00517.06
7.1.150.0120.00217.07
7.1.140.0240.00817.05
7.1.130.0320.00317.07
7.1.120.0300.00716.91
7.1.110.0270.00516.77
7.1.100.0250.00717.09
7.1.90.0270.00616.74
7.1.80.0280.00817.03
7.1.70.0290.00316.78
7.1.60.0260.00317.17
7.1.50.0270.00517.14
7.1.40.0260.00816.89
7.1.30.0270.00517.05
7.1.20.0260.00416.93
7.1.10.0240.00716.93
7.1.00.0280.00717.09
7.0.330.0280.00416.47
7.0.320.0230.01016.52
7.0.310.0200.01016.60
7.0.300.0220.00816.44
7.0.290.0240.00816.50
7.0.280.0360.00416.46
7.0.270.0170.00216.60
7.0.260.0230.00816.71
7.0.250.0260.00216.68
7.0.240.0210.00716.85
7.0.230.0220.00816.62
7.0.220.0210.00616.57
7.0.210.0240.01016.44
7.0.200.0220.00916.56
7.0.190.0260.00516.75
7.0.180.0280.00716.38
7.0.170.0240.00716.68
7.0.160.0270.00216.67
7.0.150.0180.00716.62
7.0.140.0270.00516.78
7.0.130.0300.00516.56
7.0.120.0240.00816.60
7.0.110.0230.00816.84
7.0.100.0240.00716.68
7.0.90.0340.00516.64
7.0.80.0290.00916.61
7.0.70.0220.00916.51
7.0.60.0240.00916.94
7.0.50.0230.00516.66
7.0.40.0240.00816.74
7.0.30.0260.00516.68
7.0.20.0250.00616.48
7.0.10.0310.00416.79
7.0.00.0250.00816.49
5.6.400.0250.00715.23
5.6.390.0240.00715.36
5.6.380.0270.00615.54
5.6.370.0250.00815.62
5.6.360.0220.01115.32
5.6.350.0280.00515.55
5.6.340.0250.00715.55
5.6.330.0240.00815.46
5.6.320.0280.00415.79
5.6.310.0270.00515.79
5.6.300.0260.00615.14
5.6.290.0300.00515.50
5.6.280.0250.00815.61
5.6.270.0290.00415.81
5.6.260.0290.00515.68
5.6.250.0200.01015.68
5.6.240.0260.00415.43
5.6.230.0230.01015.48
5.6.220.0300.00515.50
5.6.210.0150.00615.69
5.6.200.0280.00415.22
5.6.190.0290.00515.63
5.6.180.0280.00315.64
5.6.170.0290.00815.78
5.6.160.0140.00715.39
5.6.150.0260.00615.65
5.6.140.0240.00715.43
5.6.130.0270.00515.40
5.6.120.0210.01015.71
5.6.110.0260.00615.23
5.6.100.0270.00615.39
5.6.90.0230.00715.75
5.6.80.0130.00715.54
5.6.70.0130.00315.60
5.6.60.0120.00615.86
5.6.50.0150.00415.52
5.6.40.0110.00215.38
5.6.30.0110.00415.44
5.6.20.0090.00415.59
5.6.10.0120.00115.46
5.6.00.0160.00515.45
5.5.380.0140.00415.41
5.5.370.0160.00615.52
5.5.360.0250.00315.66
5.5.350.0190.01115.39
5.5.340.0250.00715.21
5.5.330.0270.00515.32
5.5.320.0260.00615.63
5.5.310.0290.00415.16
5.5.300.0260.00615.69
5.5.290.0250.00715.32
5.5.280.0280.00415.48
5.5.270.0320.00615.41
5.5.260.0270.00515.20
5.5.250.0230.00815.67
5.5.240.0240.00715.62
5.5.230.0310.00415.55
5.5.220.0250.00715.10
5.5.210.0200.00715.75
5.5.200.0260.00715.23
5.5.190.0210.00915.43
5.5.180.0260.00515.48
5.5.170.0230.00715.50
5.5.160.0220.00815.38
5.5.150.0220.00815.25
5.5.140.0240.00615.34
5.5.130.0210.01015.15
5.5.120.0130.00515.30
5.5.110.0240.00715.28
5.5.100.0220.00415.78
5.5.90.0260.00515.55
5.5.80.0250.00615.69
5.5.70.0220.00815.77
5.5.60.0250.00715.30
5.5.50.0240.00515.62
5.5.40.0120.00615.75
5.5.30.0110.00315.44
5.5.20.0210.00515.39
5.5.10.0210.00715.48
5.5.00.0220.00915.45
5.4.450.0200.00415.04
5.4.440.0180.00615.04
5.4.430.0090.00215.04
5.4.420.0190.00415.04
5.4.410.0200.00315.04
5.4.400.0080.00315.04
5.4.390.0070.00315.04
5.4.380.0070.00315.04
5.4.370.0100.00115.04
5.4.360.0070.00315.04
5.4.350.0080.00315.04
5.4.340.0140.00615.04
5.4.330.0190.00515.04
5.4.320.0190.00615.04
5.4.310.0200.00415.04
5.4.300.0200.00515.04
5.4.290.0200.00315.04
5.4.280.0160.00115.04
5.4.270.0090.00115.04
5.4.260.0070.00315.04
5.4.250.0080.00415.04
5.4.240.0130.00115.04
5.4.230.0140.00215.04
5.4.220.0080.00315.04
5.4.210.0150.00015.04
5.4.200.0100.00115.04
5.4.190.0160.00715.04
5.4.180.0230.00315.04
5.4.170.0210.00315.04
5.4.160.0170.00715.04
5.4.150.0170.00715.04
5.4.140.0230.00215.04
5.4.130.0210.00315.04
5.4.120.0210.00315.04
5.4.110.0220.00315.04
5.4.100.0230.00215.04
5.4.90.0180.00615.04
5.4.80.0210.00315.04
5.4.70.0190.00515.04
5.4.60.0160.00615.04
5.4.50.0190.00515.04
5.4.40.0220.00215.04
5.4.30.0180.00615.04
5.4.20.0180.00615.04
5.4.10.0190.00615.04
5.4.00.0190.00515.04
5.3.290.0200.00515.04
5.3.280.0190.00615.04
5.3.270.0190.00615.04
5.3.260.0220.00515.04
5.3.250.0190.00315.04
5.3.240.0230.00215.04
5.3.230.0190.00615.04
5.3.220.0200.00515.04
5.3.210.0150.00615.04
5.3.200.0150.00515.04
5.3.190.0140.00315.04
5.3.180.0130.00415.04
5.3.170.0080.00415.04
5.3.160.0210.00415.04
5.3.150.0210.00415.04
5.3.140.0190.00415.04
5.3.130.0190.00615.04
5.3.120.0160.00815.04
5.3.110.0210.00315.04
5.3.100.0170.00615.04
5.3.90.0120.00415.04
5.3.80.0130.00315.04
5.3.70.0080.00315.04
5.3.60.0170.00415.04
5.3.50.0180.00615.04
5.3.40.0200.00615.04
5.3.30.0210.00515.04
5.3.20.0180.00615.04
5.3.10.0200.00415.04
5.3.00.0170.00715.04
5.2.170.0210.00315.04
5.2.160.0150.00515.04
5.2.150.0160.00415.04
5.2.140.0150.00515.04
5.2.130.0140.00615.04
5.2.120.0170.00315.04
5.2.110.0120.00615.04
5.2.100.0200.00315.04
5.2.90.0170.00315.04
5.2.80.0160.00415.04
5.2.70.0130.00715.04
5.2.60.0150.00515.04
5.2.50.0160.00315.04
5.2.40.0180.00215.04
5.2.30.0130.00715.04
5.2.20.0150.00515.04
5.2.10.0160.00515.04
5.2.00.0150.00515.04
5.1.60.0070.00215.04
5.1.50.0120.00415.04
5.1.40.0130.00215.04
5.1.30.0140.00415.04
5.1.20.0150.00315.04
5.1.10.0120.00515.04
5.1.00.0130.00415.04
5.0.50.0110.00415.04
5.0.40.0120.00315.04
5.0.30.0120.00315.04
5.0.20.0110.00415.04
5.0.10.0100.00415.04
5.0.00.0130.00215.04
4.4.90.0070.00215.04
4.4.80.0080.00115.04
4.4.70.0080.00215.04
4.4.60.0060.00315.04
4.4.50.0100.00015.04
4.4.40.0080.00115.04
4.4.30.0070.00215.04
4.4.20.0080.00115.04
4.4.10.0090.00015.04
4.4.00.0060.00315.04
4.3.110.0060.00315.04
4.3.100.0080.00115.04
4.3.90.0070.00215.04
4.3.80.0070.00315.04
4.3.70.0060.00215.04
4.3.60.0080.00015.04
4.3.50.0080.00115.04
4.3.40.0070.00215.04
4.3.30.0070.00115.04
4.3.20.0060.00115.04
4.3.10.0040.00315.04
4.3.00.0020.00515.04

preferences:
40.32 ms | 403 KiB | 5 Q