3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = new StdClass(); $p = &$a; $b[] = $a; $a->r = 5; echo ($b[0]);

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)
8.3.60.0070.00716.50
8.3.50.0110.00416.27
8.3.40.0030.01018.79
8.3.30.0060.00918.76
8.3.20.0000.00720.33
8.3.10.0040.00423.66
8.3.00.0030.00519.56
8.2.180.0100.00718.38
8.2.170.0160.00322.96
8.2.160.0140.00019.20
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0080.00019.37
8.2.120.0030.00526.35
8.2.110.0060.00320.32
8.2.100.0000.01117.91
8.2.90.0030.00719.25
8.2.80.0090.00017.97
8.2.70.0000.00817.75
8.2.60.0050.00317.93
8.2.50.0000.00818.16
8.2.40.0000.00820.64
8.2.30.0040.00419.30
8.2.20.0080.00018.23
8.2.10.0060.00318.16
8.2.00.0000.00818.10
8.1.280.0090.00625.92
8.1.270.0070.00022.19
8.1.260.0080.00026.35
8.1.250.0050.00228.09
8.1.240.0140.00419.11
8.1.230.0040.00722.21
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0030.00717.35
8.1.190.0000.00817.10
8.1.180.0040.00418.10
8.1.170.0040.00418.49
8.1.160.0040.00419.01
8.1.150.0030.00520.47
8.1.140.0000.00719.42
8.1.130.0040.00418.75
8.1.120.0040.00417.47
8.1.110.0040.00417.39
8.1.100.0040.00417.29
8.1.90.0070.00017.37
8.1.80.0030.00317.36
8.1.70.0070.00017.35
8.1.60.0040.00417.50
8.1.50.0050.00317.42
8.1.40.0040.00417.49
8.1.30.0040.00417.56
8.1.20.0000.00917.55
8.1.10.0040.00417.47
8.1.00.0000.00817.54
8.0.300.0000.00718.77
8.0.290.0050.00216.75
8.0.280.0000.00718.44
8.0.270.0030.00317.27
8.0.260.0050.00516.80
8.0.250.0030.00317.03
8.0.240.0020.00716.96
8.0.230.0000.00716.93
8.0.220.0080.00016.89
8.0.210.0000.00716.77
8.0.200.0000.00716.91
8.0.190.0030.00516.96
8.0.180.0040.00416.90
8.0.170.0040.00416.91
8.0.160.0030.00516.89
8.0.150.0040.00416.66
8.0.140.0000.00716.86
8.0.130.0000.00713.31
8.0.120.0000.00716.86
8.0.110.0000.00716.68
8.0.100.0030.00516.89
8.0.90.0070.00016.86
8.0.80.0070.01016.95
8.0.70.0000.00716.78
8.0.60.0000.00816.95
8.0.50.0050.00216.95
8.0.30.0130.00517.14
8.0.20.0080.01217.40
8.0.10.0070.00017.05
8.0.00.0130.00916.76
7.4.330.0000.00515.55
7.4.320.0030.00316.50
7.4.300.0040.00416.64
7.4.290.0000.00716.49
7.4.280.0070.00416.61
7.4.270.0030.00316.50
7.4.260.0030.00316.61
7.4.250.0000.00816.58
7.4.240.0040.00416.50
7.4.230.0030.00316.61
7.4.220.0100.00716.45
7.4.210.0060.00916.47
7.4.200.0040.00416.42
7.4.160.0070.00916.55
7.4.150.0100.00717.40
7.4.140.0040.01317.86
7.4.130.0160.01016.50
7.4.120.0110.01016.49
7.4.110.0160.00316.41
7.4.100.0040.01216.57
7.4.90.0150.00316.63
7.4.80.0120.01219.39
7.4.70.0100.00716.67
7.4.60.0120.00316.34
7.4.50.0030.01216.57
7.4.40.0040.01216.64
7.4.30.0100.01316.75
7.4.00.0070.01015.03
7.3.330.0000.00513.12
7.3.320.0050.00013.14
7.3.310.0030.00316.34
7.3.300.0070.00016.42
7.3.290.0070.00616.35
7.3.280.0070.01016.33
7.3.270.0130.00317.40
7.3.260.0120.00516.32
7.3.250.0100.00916.32
7.3.240.0120.00516.35
7.3.230.0120.00416.61
7.3.210.0060.01016.39
7.3.200.0120.00316.34
7.3.190.0100.00716.34
7.3.180.0080.00816.65
7.3.170.0040.01316.40
7.3.160.0090.01016.43
7.2.330.0030.01516.77
7.2.320.0140.00316.79
7.2.310.0030.01416.45
7.2.300.0100.00716.63
7.2.290.0020.01316.75
7.2.120.1630.01016.34
7.2.110.0030.00716.35
7.2.100.0170.01016.57
7.2.90.0220.00316.72
7.2.80.0160.01216.64
7.2.70.0210.00516.74
7.2.60.0120.00716.79
7.2.50.0200.00816.84
7.2.40.0210.00816.80
7.2.30.0180.00016.96
7.2.20.0200.00716.88
7.2.10.0230.00317.00
7.2.00.0110.00718.02
7.1.240.0150.00615.94
7.1.230.0300.00315.54
7.1.220.0140.00815.64
7.1.210.0180.00515.77
7.1.200.0130.01015.85
7.1.190.0180.00715.52
7.1.180.0180.00915.55
7.1.170.0120.00315.90
7.1.160.0180.00016.04
7.1.150.0180.00915.55
7.1.140.0110.00715.62
7.1.130.0130.00515.77
7.1.120.0170.00615.67
7.1.110.0200.00315.77
7.1.100.0100.00916.88
7.1.90.0210.00415.73
7.1.80.0240.00515.96
7.1.70.0210.01015.21
7.1.60.0350.01724.30
7.1.50.0350.01424.20
7.1.40.0370.01424.16
7.1.30.0410.01124.17
7.1.20.0460.00824.11
7.1.10.0270.01215.28
7.1.00.0230.00515.30
7.0.320.0230.00015.35
7.0.310.0200.00315.48
7.0.300.0210.00915.24
7.0.290.0140.00615.41
7.0.280.0180.00315.10
7.0.270.0160.00815.46
7.0.260.0110.00515.03
7.0.250.0160.00715.59
7.0.240.0140.00715.40
7.0.230.0560.00615.60
7.0.220.0100.00715.45
7.0.210.0170.00615.36
7.0.200.0220.01015.31
7.0.190.0350.00715.12
7.0.180.0330.00914.82
7.0.170.0230.01114.98
7.0.160.0330.01114.79
7.0.150.0290.00515.02
7.0.140.0250.00815.06
7.0.130.0290.00714.97
7.0.120.0240.00815.04
7.0.110.0790.01114.82
7.0.100.0330.00814.99
7.0.90.0270.01215.07
7.0.80.0260.01015.06
7.0.70.0300.01214.96
7.0.60.0180.01014.75
7.0.50.0230.01315.03
7.0.40.0220.01014.21
7.0.30.0180.00914.24
7.0.20.0240.00713.98
7.0.10.0150.00313.93
7.0.00.0180.01314.07
5.6.380.0100.00313.99

preferences:
46.66 ms | 400 KiB | 5 Q