3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data = new stdClass(); $data->uid = 234; if (!empty($data->uid)) { $uid = $data->uid[0]; print_r('UID' . $uid); if (empty($uid)) { print_r('empty'); } }

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)
8.3.60.0120.00316.88
8.3.50.0130.00622.18
8.3.40.0100.00718.86
8.3.30.0140.00418.99
8.3.20.0040.00420.34
8.3.10.0040.01121.63
8.3.00.0060.00319.38
8.2.180.0110.01118.50
8.2.170.0040.01122.96
8.2.160.0100.00320.44
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0050.00319.36
8.2.110.0040.00419.39
8.2.100.0030.00917.75
8.2.90.0040.00419.21
8.2.80.0030.00517.97
8.2.70.0100.00017.38
8.2.60.0050.00318.04
8.2.50.0000.00818.07
8.2.40.0040.00418.16
8.2.30.0040.00418.00
8.2.20.0050.00217.78
8.2.10.0050.00318.00
8.2.00.0030.00517.75
8.1.280.0040.01425.92
8.1.270.0060.00320.61
8.1.260.0030.01026.35
8.1.250.0020.00528.09
8.1.240.0000.00922.19
8.1.230.0090.00317.66
8.1.220.0000.00817.78
8.1.210.0050.00318.77
8.1.200.0060.00317.23
8.1.190.0050.00317.13
8.1.180.0000.00718.10
8.1.170.0090.00019.09
8.1.160.0040.00421.93
8.1.150.0030.00518.77
8.1.140.0040.00417.45
8.1.130.0000.00817.81
8.1.120.0050.00717.35
8.1.110.0000.00717.32
8.1.100.0040.00417.45
8.1.90.0030.00317.34
8.1.80.0040.00417.48
8.1.70.0040.00417.40
8.1.60.0060.00317.66
8.1.50.0030.00517.55
8.1.40.0040.00817.49
8.1.30.0060.00317.64
8.1.20.0000.00717.61
8.1.10.0000.00717.61
8.1.00.0000.00717.39
8.0.300.0070.00018.77
8.0.290.0040.00416.88
8.0.280.0030.00318.48
8.0.270.0030.00317.25
8.0.260.0030.00317.29
8.0.250.0030.00316.90
8.0.240.0000.00816.89
8.0.230.0070.00017.07
8.0.220.0000.00716.96
8.0.210.0000.00716.98
8.0.200.0000.00717.02
8.0.190.0070.00016.95
8.0.180.0000.00716.95
8.0.170.0090.00016.90
8.0.160.0040.00417.04
8.0.150.0000.00716.80
8.0.140.0000.00716.84
8.0.130.0000.00613.37
8.0.120.0030.00616.88
8.0.110.0070.00016.89
8.0.100.0050.00316.92
8.0.90.0080.00016.85
8.0.80.0040.01117.02
8.0.70.0040.00416.85
8.0.60.0000.00716.90
8.0.50.0070.00016.91
8.0.30.0100.00917.14
8.0.20.0110.00917.40
8.0.10.0000.00717.04
8.0.00.0090.00916.71
7.4.330.0050.00015.03
7.4.320.0030.00316.59
7.4.300.0000.00716.49
7.4.290.0000.00916.61
7.4.280.0050.00216.63
7.4.270.0000.00716.59
7.4.260.0000.00616.38
7.4.250.0040.00416.55
7.4.240.0050.00216.49
7.4.230.0070.00016.61
7.4.220.0120.00616.59
7.4.210.0060.01116.53
7.4.200.0070.00016.55
7.4.160.0090.01216.44
7.4.150.0060.01317.40
7.4.140.0100.00917.86
7.4.130.0100.01016.55
7.4.120.0120.00816.45
7.4.110.0120.00616.41
7.4.100.0140.00316.45
7.4.90.0030.01316.39
7.4.80.0100.01319.39
7.4.70.0100.01016.62
7.4.60.0070.01016.25
7.4.50.0000.00416.36
7.4.40.0100.00716.38
7.4.30.0070.01016.58
7.4.00.0030.01314.81
7.3.330.0030.00313.16
7.3.320.0100.00513.09
7.3.310.0040.00416.37
7.3.300.0000.00716.24
7.3.290.0000.00716.23
7.3.280.0060.01016.32
7.3.270.0100.01017.40
7.3.260.0040.01416.56
7.3.250.0100.00816.41
7.3.240.0110.01116.52
7.3.230.0100.01316.49
7.3.210.0060.01016.36
7.3.200.0090.00919.39
7.3.190.0100.00716.41
7.3.180.0120.00316.42
7.3.170.0120.00616.50
7.3.160.0180.00316.27
7.3.10.0060.01116.55
7.3.00.0150.00416.48
7.2.330.0110.00816.40
7.2.320.0090.00616.67
7.2.310.0090.00816.29
7.2.300.0130.00416.81
7.2.290.0090.00916.76
7.2.130.0120.00516.78
7.2.120.0140.00216.78
7.2.110.0060.00816.46
7.2.100.0120.00916.78
7.2.90.0110.00816.67
7.2.80.0120.00316.60
7.2.70.0100.01216.88
7.2.60.0050.01116.55
7.2.50.0020.01216.62
7.2.40.0050.00816.72
7.2.30.0010.01316.81
7.2.20.0110.00716.85
7.2.10.0060.00716.64
7.2.00.0070.00717.68
7.1.250.0040.01015.71
7.1.100.0070.00717.96
7.1.70.0030.00617.26
7.1.60.0070.01019.50
7.1.50.0070.01717.02
7.1.00.0070.07322.32
7.0.200.0250.00616.80
7.0.140.0030.07722.18
7.0.60.0170.07319.87
7.0.50.0100.07717.87
7.0.40.0100.08020.06
7.0.30.0370.07720.30
7.0.20.0300.06320.00
7.0.10.0030.04720.12
7.0.00.0070.07720.09
5.6.280.0070.06721.02
5.6.210.0100.05720.66
5.6.200.0130.03318.12
5.6.190.0100.06720.57
5.6.180.0400.07020.53
5.6.170.0170.06720.48
5.6.160.0070.05020.52
5.6.150.0170.07318.19
5.6.140.0070.06018.16
5.6.130.0070.05318.21
5.6.120.0130.07721.12
5.6.110.0030.08720.95
5.6.100.0100.08321.11
5.6.90.0070.04321.10
5.6.80.0030.05020.40
5.6.70.4570.04320.50
5.5.350.0000.04720.34
5.5.340.0070.05317.88
5.5.330.0100.06720.21
5.5.320.0030.08720.18
5.5.310.0230.07320.21
5.5.300.0030.08317.91
5.5.290.0130.07317.95
5.5.280.0130.08320.77
5.5.270.0000.06020.87
5.5.260.0030.04020.86
5.5.250.0100.08320.54
5.5.240.0270.06720.16
5.4.450.0570.06319.24
5.4.440.0900.05719.46
5.4.430.0730.06019.28
5.4.420.0200.05719.26
5.4.410.0830.04719.47
5.4.400.0400.04318.77
5.4.390.0300.05318.46
5.4.380.0300.05318.46
5.4.370.0200.06018.52
5.4.360.0300.05318.50
5.4.350.0370.05018.70
5.4.340.0330.05318.74
5.4.320.0430.04018.62
5.4.310.0270.05718.50
5.4.300.0330.04718.57
5.4.290.0400.04718.59
5.4.280.0300.05318.48
5.4.270.0330.07018.74
5.4.260.0270.05318.70
5.4.250.0370.05018.49
5.4.240.0400.05318.62
5.4.230.0230.07018.45
5.4.220.0400.06718.48
5.4.210.0300.06718.48
5.4.200.0400.04716.67
5.4.190.0300.05318.70
5.4.180.0300.07018.72
5.4.170.0300.05718.75
5.4.160.0270.06018.74
5.4.150.0370.05018.46
5.4.140.0330.05316.05
5.4.130.0370.05716.31
5.4.120.0330.05716.22
5.4.110.0270.05016.34
5.4.100.0200.06016.16
5.4.90.0330.05316.26
5.4.80.0370.05016.13
5.4.70.0530.06016.17
5.4.60.0330.06016.06
5.4.50.0470.04716.10
5.4.40.0370.05016.01
5.4.30.0400.06016.28
5.4.20.0370.06016.19
5.4.10.0330.05016.13
5.4.00.0300.06315.71
5.3.290.0300.06314.70
5.3.280.0430.04714.62
5.3.270.0270.06014.58
5.3.260.0400.05314.68
5.3.250.0430.06014.66
5.3.240.0270.05714.59
5.3.230.0270.05714.70
5.3.220.0330.05014.46
5.3.210.0330.05314.66
5.3.200.0170.06014.56
5.3.190.0300.05314.55
5.3.180.0370.04714.57
5.3.170.0270.05314.66
5.3.160.0230.06014.56
5.3.150.0330.05014.43
5.3.140.0330.05714.53
5.3.130.0370.04714.54
5.3.120.0370.04714.59
5.3.110.0230.06314.58
5.3.100.0130.06314.04
5.3.90.0330.04713.93
5.3.80.0270.05714.01
5.3.70.0330.04714.12
5.3.60.0270.05313.99
5.3.50.0200.05713.92
5.3.40.0330.04713.92
5.3.30.0270.04713.89
5.3.20.0270.05713.72
5.3.10.0230.05013.65
5.3.00.0170.06313.58
5.2.170.0230.04311.18
5.2.160.0330.04311.18
5.2.150.0270.04311.07
5.2.140.0400.04711.17
5.2.130.0330.03311.03
5.2.120.0200.04311.23
5.2.110.0170.04311.10
5.2.100.0230.04011.06
5.2.90.0270.05011.15
5.2.80.0130.05711.06
5.2.70.0230.04311.06
5.2.60.0170.05011.00
5.2.50.0270.03710.96
5.2.40.0370.04711.05
5.2.30.0300.05311.00
5.2.20.0230.03711.08
5.2.10.0200.04011.01
5.2.00.0200.04010.70
5.1.60.0200.03310.00
5.1.50.0170.04010.07
5.1.40.0170.0479.97
5.1.30.0100.04710.31
5.1.20.0270.04710.41
5.1.10.0270.04010.10
5.1.00.0270.04310.08
5.0.50.0100.0308.61
5.0.40.0100.0308.50
5.0.30.0200.0378.24
5.0.20.0070.0338.38
5.0.10.0100.0278.26
5.0.00.0070.0478.29
4.4.90.0100.0235.89
4.4.80.0100.0205.85
4.4.70.0100.0275.85
4.4.60.0100.0235.89
4.4.50.0100.0235.93
4.4.40.0100.0335.87
4.4.30.0030.0275.87
4.4.20.0070.0235.94
4.4.10.0070.0235.94
4.4.00.0070.0375.85
4.3.110.0130.0175.83
4.3.100.0070.0235.83
4.3.90.0100.0205.88
4.3.80.0130.0305.79
4.3.70.0030.0275.82
4.3.60.0200.0135.76
4.3.50.0100.0235.79
4.3.40.0100.0305.79
4.3.30.0030.0234.67
4.3.20.0000.0274.56
4.3.10.0070.0204.62
4.3.00.0100.0237.01

preferences:
51.06 ms | 401 KiB | 5 Q