3v4l.org

run code in 300+ PHP versions simultaneously
<?php $o = new stdClass(); $key = new stdClass(); $o->{$key} = 1; foreach($o as $k => $v) { var_dump($k); }

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)
8.5.10.0070.00216.78
8.5.00.0140.00719.93
8.4.160.0070.00420.45
8.4.150.0080.00616.91
8.4.140.0110.01218.12
8.4.130.0110.00618.04
8.4.120.0130.00720.65
8.4.110.0050.00420.57
8.4.100.0410.00717.64
8.4.90.0230.00717.80
8.4.80.0190.00817.52
8.4.70.0200.00717.80
8.4.60.0200.00617.70
8.4.50.0180.00817.66
8.4.40.0210.00517.91
8.4.30.0210.00317.64
8.4.20.0210.00517.66
8.4.10.0190.00517.46
8.3.280.0070.00416.13
8.3.270.0090.00916.65
8.3.260.0090.01016.70
8.3.250.0110.00717.10
8.3.240.0100.00817.40
8.3.230.0170.00516.46
8.3.220.0200.00416.28
8.3.210.0170.00716.30
8.3.200.0200.00516.69
8.3.190.0220.00616.52
8.3.180.0210.00416.54
8.3.170.0180.00816.66
8.3.160.0210.00616.95
8.3.150.0200.00516.41
8.3.140.0240.00316.32
8.3.130.0190.00316.53
8.3.120.0190.00316.16
8.3.110.0140.00516.10
8.3.100.0190.00416.36
8.3.90.0140.00816.43
8.3.80.0180.00416.17
8.3.70.0220.00616.28
8.3.60.0190.00716.32
8.3.50.0360.00816.16
8.3.40.0400.00417.27
8.3.30.0220.00817.60
8.3.20.0390.00517.19
8.3.10.0290.01017.50
8.3.00.0370.00917.14
8.2.290.0340.00716.32
8.2.280.0270.01016.75
8.2.270.0320.01016.44
8.2.260.0320.00916.41
8.2.250.0340.00716.78
8.2.240.0330.00716.55
8.2.230.0330.01016.55
8.2.220.0340.00916.51
8.2.210.0310.00916.15
8.2.200.0330.00716.80
8.2.190.0330.01016.38
8.2.180.0340.00816.84
8.2.170.0320.00617.63
8.2.160.0180.00217.79
8.2.150.0340.00717.55
8.2.140.0380.00717.43
8.2.130.0350.01017.37
8.2.120.0340.00817.75
8.2.110.0340.01017.45
8.2.100.0340.00717.71
8.2.90.0340.00817.78
8.2.80.0340.00817.48
8.2.70.0320.01017.41
8.2.60.0280.01317.41
8.2.50.0440.00617.68
8.2.40.0310.00817.56
8.2.30.0300.00917.55
8.2.20.0290.01117.55
8.2.10.0290.01017.46
8.2.00.0280.01117.25
8.1.330.0310.01016.16
8.1.320.0300.01116.20
8.1.310.0320.00915.66
8.1.300.0310.00915.86
8.1.290.0310.01016.32
8.1.280.0370.01015.69
8.1.270.0290.00517.21
8.1.260.0230.00517.27
8.1.250.0170.00517.47
8.1.240.0310.00917.25
8.1.230.0310.00817.25
8.1.220.0300.00717.33
8.1.210.0290.00817.38
8.1.200.0290.00817.14
8.1.190.0310.00917.21
8.1.180.0370.01117.20
8.1.170.0300.00716.98
8.1.160.0310.00717.31
8.1.150.0280.00717.29
8.1.140.0270.00917.25
8.1.130.0290.00717.15
8.1.120.0320.00617.59
8.1.110.0300.00617.31
8.1.100.0340.00417.08
8.1.90.0330.00617.32
8.1.80.0310.00517.04
8.1.70.0360.00617.34
8.1.60.0190.00517.51
8.1.50.0320.00617.29
8.1.40.0290.00517.32
8.1.30.0310.00717.42
8.1.20.0310.00917.35
8.1.10.0340.00417.42
8.1.00.0320.00917.16
8.0.300.0280.00616.51
8.0.290.0290.00716.82
8.0.280.0260.00916.49
8.0.270.0320.00616.64
8.0.260.0250.00216.70
8.0.250.0180.00516.64
8.0.240.0240.00716.57
8.0.230.0320.00616.86
8.0.220.0260.01116.49
8.0.210.0300.00416.82
8.0.200.0150.00416.75
8.0.190.0250.01116.75
8.0.180.0280.01116.82
8.0.170.0140.00516.61
8.0.160.0270.00516.44
8.0.150.0300.00416.61
8.0.140.0300.00816.70
8.0.130.0320.00416.52
8.0.120.0350.00316.78
8.0.110.0170.00716.59
8.0.100.0130.00516.64
8.0.90.0170.00316.77
8.0.80.0140.00316.70
8.0.70.0160.00416.64
8.0.60.0150.00216.49
8.0.50.0350.00316.49
8.0.30.0300.00716.58
8.0.20.0300.00716.72
8.0.10.0230.00416.70
8.0.00.0250.01116.88
7.4.330.0350.00416.23
7.4.320.0290.00716.29
7.4.300.0300.00616.17
7.4.290.0290.00816.21
7.4.280.0320.00516.30
7.4.270.0270.00816.29
7.4.260.0320.00616.15
7.4.250.0290.00916.41
7.4.240.0270.00816.11
7.4.230.0310.00316.50
7.4.220.0320.00416.20
7.4.210.0260.00716.29
7.4.200.0190.00416.29
7.4.190.0120.00516.37
7.4.180.0430.00916.31
7.4.160.0310.00516.47
7.4.150.0310.00516.11
7.4.140.0280.00816.18
7.4.130.0280.00816.12
7.4.120.0260.00616.26
7.4.110.0290.00616.27
7.4.100.0280.00816.38
7.4.90.0290.00616.23
7.4.80.0250.00116.32
7.4.70.0260.00616.16
7.4.60.0250.00716.35
7.4.50.0320.00616.15
7.4.40.0350.00616.12
7.4.30.0300.00816.16
7.4.20.0310.00416.11
7.4.10.0200.00316.17
7.4.00.0150.00316.27
7.3.330.0130.00316.10
7.3.320.0310.00416.15
7.3.310.0300.00615.81
7.3.300.0280.00616.10
7.3.290.0270.00816.00
7.3.280.0280.00716.21
7.3.270.0310.00515.92
7.3.260.0280.00816.23
7.3.250.0260.01016.07
7.3.240.0260.00416.13
7.3.230.0130.00315.95
7.3.220.0300.00616.18
7.3.210.0310.00616.21
7.3.200.0290.00716.02
7.3.190.0280.00716.06
7.3.180.0330.00515.91
7.3.170.0290.00816.01
7.3.160.0200.00216.02
7.3.150.0240.00615.50
7.3.140.0320.00516.01
7.3.130.0260.00515.86
7.3.120.0300.00516.26
7.3.110.0220.00216.04
7.3.100.0130.00315.80
7.3.90.0110.00516.25
7.3.80.0270.01015.93
7.3.70.0270.01015.96
7.3.60.0170.00716.26
7.3.50.0220.00715.90
7.3.40.0270.00616.20
7.3.30.0290.00616.01
7.3.20.0330.00817.82
7.3.10.0310.00517.75
7.3.00.0240.00917.91
7.2.340.0270.00616.06
7.2.330.0290.00516.19
7.2.320.0230.00815.95
7.2.310.0240.00815.95
7.2.300.0200.01016.16
7.2.290.0240.00316.13
7.2.280.0280.00616.04
7.2.270.0170.00515.91
7.2.260.0280.00715.68
7.2.250.0290.00816.04
7.2.240.0330.00316.11
7.2.230.0260.00815.87
7.2.220.0300.00616.06
7.2.210.0260.00916.31
7.2.200.0250.01016.23
7.2.190.0280.00816.07
7.2.180.0320.00716.08
7.2.170.0280.00816.03
7.2.160.0280.00816.08
7.2.150.0290.00717.89
7.2.140.0250.00718.02
7.2.130.0120.00418.07
7.2.120.0260.00918.25
7.2.110.0320.00418.32
7.2.100.0320.00317.88
7.2.90.0280.00718.30
7.2.80.0270.00918.13
7.2.70.0230.01018.04
7.2.60.0300.00618.20
7.2.50.0230.01218.38
7.2.40.0280.00818.04
7.2.30.0260.00617.88
7.2.20.0220.00618.23
7.2.10.0140.00318.39
7.2.00.0270.00818.29
7.1.330.0220.00617.09
7.1.320.0160.01117.18
7.1.310.0220.00916.96
7.1.300.0270.00617.23
7.1.290.0260.00616.80
7.1.280.0280.00416.86
7.1.270.0320.00616.61
7.1.260.0210.01316.63
7.1.250.0230.01016.97
7.1.240.0250.00716.93
7.1.230.0260.00616.98
7.1.220.0290.00316.89
7.1.210.0280.00517.14
7.1.200.0230.00917.14
7.1.190.0290.00416.98
7.1.180.0250.00716.76
7.1.170.0260.00716.77
7.1.160.0270.00516.69
7.1.150.0280.00616.78
7.1.140.0260.00816.95
7.1.130.0260.00916.84
7.1.120.0270.00517.18
7.1.110.0250.00716.82
7.1.100.0280.00217.01
7.1.90.0230.00916.86
7.1.80.0270.00516.95
7.1.70.0250.00616.66
7.1.60.0260.00617.07
7.1.50.0280.00616.60
7.1.40.0230.01216.92
7.1.30.0280.00616.76
7.1.20.0260.00816.84
7.1.10.0240.00816.75
7.1.00.0290.00617.00
7.0.330.0270.00716.59
7.0.320.0270.00516.51
7.0.310.0260.00516.55
7.0.300.0160.00416.58
7.0.290.0240.00616.75
7.0.280.0230.00716.71
7.0.270.0260.00516.68
7.0.260.0290.00216.78
7.0.250.0240.00816.76
7.0.240.0280.00716.43
7.0.230.0170.00516.88
7.0.220.0110.00316.67
7.0.210.0160.00416.76
7.0.200.0120.00216.64
7.0.190.0100.00316.73
7.0.180.0150.00216.95
7.0.170.0090.00516.75
7.0.160.0130.00116.68
7.0.150.0260.00516.67
7.0.140.0250.00616.70
7.0.130.0260.00716.85
7.0.120.0250.00716.72
7.0.110.0300.00316.51
7.0.100.0260.00316.54
7.0.90.0270.00116.70
7.0.80.0220.00516.63
7.0.70.0220.00816.50
7.0.60.0240.00216.57
7.0.50.0270.00416.59
7.0.40.0240.00616.69
7.0.30.0220.00816.75
7.0.20.0230.00816.46
7.0.10.0260.00616.61
7.0.00.0270.00616.18
5.6.400.0280.00515.75
5.6.390.0280.00515.58
5.6.380.0290.00715.50
5.6.370.0220.00815.79
5.6.360.0260.00915.79
5.6.350.0260.00615.70
5.6.340.0310.00515.69
5.6.330.0250.00715.43
5.6.320.0250.00815.75
5.6.310.0260.00615.71
5.6.300.0240.00615.59
5.6.290.0240.00715.71
5.6.280.0290.00315.46
5.6.270.0240.00715.77
5.6.260.0260.00615.79
5.6.250.0230.00915.50
5.6.240.0230.00915.38
5.6.230.0320.00515.19
5.6.220.0230.00915.79
5.6.210.0260.00615.63
5.6.200.0260.00615.93
5.6.190.0270.00615.63
5.6.180.0260.00315.59
5.6.170.0290.00515.57
5.6.160.0300.00215.56
5.6.150.0230.00815.89
5.6.140.0280.00515.48
5.6.130.0250.00415.74
5.6.120.0120.00315.44
5.6.110.0120.00315.83
5.6.100.0120.00415.70
5.6.90.0150.00615.70
5.6.80.0100.00315.87
5.6.70.0100.00415.59
5.6.60.0110.00315.72
5.6.50.0170.00615.37
5.6.40.0160.00115.58
5.6.30.0190.00815.34
5.6.20.0290.00215.54
5.6.10.0220.01015.33
5.6.00.0220.00915.25
5.5.380.0240.00815.38
5.5.370.0290.00415.74
5.5.360.0250.00815.34
5.5.350.0260.00715.27
5.5.340.0250.00515.25
5.5.330.0160.00515.42
5.5.320.0120.00415.26
5.5.310.0220.00915.12
5.5.300.0240.00815.46
5.5.290.0290.00315.50
5.5.280.0210.00715.65
5.5.270.0160.00115.34
5.5.260.0150.00215.23
5.5.250.0140.00415.54
5.5.240.0230.00515.43
5.5.230.0240.00615.42
5.5.220.0270.00715.41
5.5.210.0140.00515.44
5.5.200.0250.00415.43
5.5.190.0260.00515.27
5.5.180.0270.00315.30
5.5.170.0230.00715.23
5.5.160.0250.00515.21
5.5.150.0220.00715.29
5.5.140.0250.00815.20
5.5.130.0260.00715.04
5.5.120.0260.00515.13
5.5.110.0200.01015.22
5.5.100.0230.00715.41
5.5.90.0250.00715.57
5.5.80.0210.00915.45
5.5.70.0210.00915.93
5.5.60.0210.00915.57
5.5.50.0180.00815.38
5.5.40.0240.00615.68
5.5.30.0240.00815.67
5.5.20.0250.00515.51
5.5.10.0250.00515.57
5.5.00.0220.00815.83
5.4.450.0180.00615.04
5.4.440.0210.00415.04
5.4.430.0160.00515.04
5.4.420.0100.00115.04
5.4.410.0330.00415.04
5.4.400.0070.00415.04
5.4.390.0100.00115.04
5.4.380.0080.00415.04
5.4.370.0100.00215.04
5.4.360.0110.00315.04
5.4.350.0080.00315.04
5.4.340.0070.00315.04
5.4.330.0160.00815.04
5.4.320.0150.00215.04
5.4.310.0110.00415.04
5.4.300.0160.00415.04
5.4.290.0190.00515.04
5.4.280.0180.00615.04
5.4.270.0180.00615.04
5.4.260.0180.00615.04
5.4.250.0210.00315.04
5.4.240.0180.00515.04
5.4.230.0190.00415.04
5.4.220.0160.00415.04
5.4.210.0160.00415.04
5.4.200.0190.00615.04
5.4.190.0180.00615.04
5.4.180.0230.00515.04
5.4.170.0170.00415.04
5.4.160.0190.00415.04
5.4.150.0200.00515.04
5.4.140.0180.00615.04
5.4.130.0230.00115.04
5.4.120.0200.00515.04
5.4.110.0220.00515.04
5.4.100.0200.00415.04
5.4.90.0210.00515.04
5.4.80.0160.00815.04
5.4.70.0200.00315.04
5.4.60.0170.00615.04
5.4.50.0240.00315.04
5.4.40.0150.00515.04
5.4.30.0180.00115.04
5.4.20.0120.00215.04
5.4.10.0180.00615.04
5.4.00.0190.00415.04
5.3.290.0230.00415.04
5.3.280.0160.00215.04
5.3.270.0100.00115.04
5.3.260.0090.00215.04
5.3.250.0110.00315.04
5.3.240.0130.00315.04
5.3.230.0190.00615.04
5.3.220.0190.00615.04
5.3.210.0170.00815.04
5.3.200.0140.00615.04
5.3.190.0190.00515.04
5.3.180.0160.00315.04
5.3.170.0100.00215.04
5.3.160.0150.00315.04
5.3.150.0190.00515.04
5.3.140.0210.00415.04
5.3.130.0200.00415.04
5.3.120.0210.00315.04
5.3.110.0200.00415.04
5.3.100.0190.00515.04
5.3.90.0170.00715.04
5.3.80.0170.00715.04
5.3.70.0180.00515.04
5.3.60.0170.00715.04
5.3.50.0190.00415.04
5.3.40.0170.00715.04
5.3.30.0160.00815.04
5.3.20.0180.00515.04
5.3.10.0180.00515.04
5.3.00.0140.01115.04
5.2.170.0170.00615.04
5.2.160.0140.00515.04
5.2.150.0160.00315.04
5.2.140.0140.00115.04
5.2.130.0170.00315.04
5.2.120.0160.00415.04
5.2.110.0150.00315.04
5.2.100.0150.00515.04
5.2.90.0140.00615.04
5.2.80.0130.00615.04
5.2.70.0140.00515.04
5.2.60.0140.00215.04
5.2.50.0110.00615.04
5.2.40.0150.00415.04
5.2.30.0120.00715.04
5.2.20.0180.00415.04
5.2.10.0140.00615.04
5.2.00.0170.00215.04
5.1.60.0130.00315.04
5.1.50.0120.00515.04
5.1.40.0150.00315.04
5.1.30.0160.00215.04
5.1.20.0140.00515.04
5.1.10.0150.00215.04
5.1.00.0150.00415.04
5.0.50.0110.00315.04
5.0.40.0120.00315.04
5.0.30.0100.00415.04
5.0.20.0100.00415.04
5.0.10.0120.00315.04
5.0.00.0100.00415.04
4.4.90.0080.00115.04
4.4.80.0070.00115.04
4.4.70.0070.00115.04
4.4.60.0070.00215.04
4.4.50.0080.00115.04
4.4.40.0070.00215.04
4.4.30.0080.00015.04
4.4.20.0070.00215.04
4.4.10.0080.00115.04
4.4.00.0070.00215.04
4.3.110.0060.00215.04
4.3.100.0060.00215.04
4.3.90.0080.00115.04
4.3.80.0080.00115.04
4.3.70.0060.00215.04
4.3.60.0080.00115.04
4.3.50.0090.00015.04
4.3.40.0090.00115.04
4.3.30.0070.00115.04
4.3.20.0050.00115.04
4.3.10.0040.00215.04
4.3.00.0050.00115.04

preferences:
43.39 ms | 403 KiB | 5 Q