3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = new class { function __toString() { return "_"; } }; var_dump(implode($a, ["a", "b"])); var_dump(implode(["a", "b"], $a));

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)
8.4.130.0110.01117.77
8.4.120.0100.00920.71
8.4.110.0030.00518.84
8.4.100.0140.00817.75
8.4.90.0130.00720.58
8.4.80.0090.01018.96
8.4.70.0150.00620.60
8.4.60.0110.00920.39
8.4.50.0140.00618.52
8.4.40.0100.00619.62
8.4.30.0080.01119.45
8.4.20.0210.00017.78
8.4.10.0080.00819.41
8.3.260.0100.01016.65
8.3.250.0110.00518.71
8.3.240.0120.00818.70
8.3.230.0150.00416.51
8.3.220.0090.00918.95
8.3.210.0130.00516.65
8.3.200.0070.00216.79
8.3.190.0070.00517.18
8.3.180.0110.00719.07
8.3.170.0090.00918.96
8.3.160.0090.00916.73
8.3.150.0170.00316.57
8.3.140.0040.00416.69
8.3.130.0000.01418.59
8.3.120.0090.00318.94
8.3.110.0000.00820.94
8.3.100.0060.00318.43
8.3.90.0040.00416.86
8.3.80.0050.00518.56
8.3.70.0070.00716.63
8.3.60.0140.00016.63
8.3.50.0150.00522.04
8.3.40.0090.00618.84
8.3.30.0070.01118.63
8.3.20.0040.00420.53
8.3.10.0040.00421.90
8.3.00.0040.00421.90
8.2.290.0100.00916.96
8.2.280.0110.00718.43
8.2.270.0110.00716.64
8.2.260.0040.00416.97
8.2.250.0040.00418.84
8.2.240.0070.00718.82
8.2.230.0110.00022.58
8.2.220.0000.00824.06
8.2.210.0080.01226.77
8.2.200.0050.00516.50
8.2.190.0110.00716.58
8.2.180.0100.00716.60
8.2.170.0150.00622.96
8.2.160.0130.00020.39
8.2.150.0040.00424.18
8.2.140.0030.00524.66
8.2.130.0070.00026.16
8.2.120.0040.00420.38
8.2.110.0060.00322.14
8.2.100.0120.00017.91
8.2.90.0000.00817.63
8.2.80.0080.00017.97
8.2.70.0030.00517.80
8.2.60.0030.00717.97
8.2.50.0050.00318.10
8.2.40.0040.00719.30
8.2.30.0000.00719.19
8.2.20.0030.00518.00
8.2.10.0030.00518.06
8.2.00.0020.00517.72
8.1.330.0130.00816.28
8.1.320.0110.00716.09
8.1.310.0070.00718.39
8.1.300.0090.00016.07
8.1.290.0060.00318.88
8.1.280.0060.00825.92
8.1.270.0050.00323.77
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0060.00323.84
8.1.230.0120.00019.04
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0060.00317.36
8.1.190.0040.00417.13
8.1.180.0030.00618.10
8.1.170.0090.00018.66
8.1.160.0000.00723.88
8.1.150.0030.00418.92
8.1.140.0040.00419.56
8.1.130.0070.00017.66
8.1.120.0050.00317.41
8.1.110.0000.00817.46
8.1.100.0030.00617.43
8.1.90.0040.00417.46
8.1.80.0000.00717.44
8.1.70.0040.00417.45
8.1.60.0030.00617.52
8.1.50.0000.00817.58
8.1.40.0070.00317.54
8.1.30.0000.00817.60
8.1.20.0080.00017.65
8.1.10.0000.00817.52
8.1.00.0090.00017.44
8.0.300.0070.00019.73
8.0.290.0040.00416.74
8.0.280.0000.00818.41
8.0.270.0000.00817.11
8.0.260.0040.00417.27
8.0.250.0030.00316.92
8.0.240.0040.00416.88
8.0.230.0000.01017.01
8.0.220.0070.00016.79
8.0.210.0030.00316.91
8.0.200.0030.00316.93
8.0.190.0000.00716.92
8.0.180.0040.00416.85
8.0.170.0030.00617.00
8.0.160.0000.00717.04
8.0.150.0040.00416.87
8.0.140.0000.00716.82
8.0.130.0030.00313.34
8.0.120.0000.00716.82
8.0.110.0050.00216.90
8.0.100.0000.00716.89
8.0.90.0000.00716.85
8.0.80.0100.01016.93
8.0.70.0000.00816.90
8.0.60.0000.00716.84
8.0.50.0040.00416.84
8.0.30.0080.00817.13
8.0.20.0180.00617.40
8.0.10.0060.00317.14
8.0.00.0090.00916.96
7.4.330.0050.00015.55
7.4.320.0060.00016.54
7.4.300.0060.00016.59
7.4.290.0030.00316.60
7.4.280.0000.00816.50
7.4.270.0000.00716.56
7.4.260.0040.00416.48
7.4.250.0000.00716.51
7.4.240.0030.00316.50
7.4.230.0000.00716.61
7.4.220.0190.00316.57
7.4.210.0100.00616.71
7.4.200.0040.00416.68
7.4.160.0080.00916.47
7.4.150.0060.01217.40
7.4.140.0100.00817.86
7.4.130.0110.00716.60
7.4.120.0110.00616.51
7.4.110.0140.00316.79
7.4.100.0080.00816.45
7.4.90.0110.00716.62
7.4.80.0130.00319.39
7.4.70.0140.00716.50
7.4.60.0100.00716.44
7.4.50.0070.01016.67
7.4.40.0100.00716.37
7.4.30.0120.00316.59
7.4.00.0110.00314.59
7.3.330.0040.00413.27
7.3.320.0020.00213.06
7.3.310.0040.00416.22
7.3.300.0000.00716.24
7.3.290.0080.00616.21
7.3.280.0060.01116.22
7.3.270.0100.01317.40
7.3.260.0100.01116.33
7.3.250.0040.01316.28
7.3.240.0080.01216.51
7.3.230.0210.00616.39
7.3.210.0070.01016.41
7.3.200.0100.00616.34
7.3.190.0140.00316.49
7.3.180.0070.01416.23
7.3.170.0060.01316.36
7.3.160.0130.00316.45
7.3.10.0070.00716.37
7.3.00.0100.00716.50
7.2.330.0110.00816.53
7.2.320.0130.01016.48
7.2.310.0110.01416.67
7.2.300.0060.01816.63
7.2.290.0070.01016.43
7.2.130.0030.01316.82
7.2.120.0050.00516.84
7.2.110.0040.01116.45
7.2.100.0000.01416.44
7.2.90.0090.00616.64
7.2.80.0100.01016.79
7.2.70.0090.00616.87
7.2.60.0060.00916.73
7.2.50.0070.00716.92
7.2.40.0110.00317.03
7.2.30.0070.00716.94
7.2.20.0000.01517.00
7.2.10.0030.00916.77
7.2.00.0030.01218.23
7.1.250.0060.00615.50
7.1.200.0030.00915.84
7.1.100.0620.00715.78
7.1.70.0040.00416.89
7.1.60.0000.01017.23
7.1.50.0100.01016.84
7.1.00.0030.07022.54
7.0.200.0260.00914.67
7.0.120.0170.06020.24
7.0.110.0070.07020.26
7.0.100.0330.05720.23
7.0.90.0330.06720.29
7.0.80.0030.06020.23
7.0.70.0200.06720.23
7.0.60.0130.06020.29
7.0.50.0470.06020.27
7.0.40.0530.07320.30
7.0.30.0370.07320.38
7.0.20.0370.05720.32
7.0.10.0500.05020.21
7.0.00.0470.05320.22
5.6.270.0170.05720.97
5.6.260.0070.06321.07
5.6.250.0100.07720.95
5.6.240.0200.06020.75
5.6.230.0170.05720.86
5.6.220.0030.06020.78
5.6.210.0100.05320.91
5.6.200.0200.04720.75
5.6.190.0070.06020.99
5.6.180.0100.06320.86
5.6.170.0100.07721.03
5.6.160.0170.05020.99
5.6.150.0100.06020.83
5.6.140.0070.07320.75
5.6.130.0070.06021.02
5.6.120.0170.07720.98
5.6.110.0030.06320.98
5.6.100.0170.05320.99
5.6.90.0070.05720.97
5.6.80.0130.05320.13
5.6.70.0130.05020.44
5.6.60.0130.05720.20
5.6.50.0100.05720.30
5.6.40.0100.05720.41
5.6.30.0100.06720.40
5.6.20.0100.06320.36
5.6.10.0100.05020.43
5.6.00.0170.07320.17

preferences:
22.36 ms | 403 KiB | 5 Q