3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = ['', 'b', 'c']; $y = implode('","', $x);

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)
8.3.60.0130.00318.31
8.3.50.0110.00316.46
8.3.40.0110.00418.73
8.3.30.0060.00918.41
8.3.20.0030.00620.18
8.3.10.0040.00421.68
8.3.00.0080.00018.97
8.2.180.0090.00618.29
8.2.170.0100.01022.96
8.2.160.0090.00620.39
8.2.150.0000.00924.18
8.2.140.0040.00424.66
8.2.130.0050.00319.31
8.2.120.0040.00426.35
8.2.110.0090.00021.12
8.2.100.0040.00818.09
8.2.90.0090.00319.09
8.2.80.0060.00317.97
8.2.70.0130.00217.25
8.2.60.0040.00418.04
8.2.50.0040.00418.10
8.2.40.0050.00320.64
8.2.30.0030.00919.05
8.2.20.0000.00717.86
8.2.10.0040.00318.14
8.2.00.0040.00417.96
8.1.280.0070.00725.92
8.1.270.0070.00022.09
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0060.00324.02
8.1.230.0040.00719.20
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0040.00417.22
8.1.190.0000.00917.22
8.1.180.0040.00418.10
8.1.170.0000.00718.87
8.1.160.0030.00319.00
8.1.150.0070.00020.55
8.1.140.0070.00019.50
8.1.130.0030.00318.72
8.1.120.0030.00417.40
8.1.110.0030.00317.37
8.1.100.0070.00017.43
8.1.90.0070.00017.38
8.1.80.0040.00417.28
8.1.70.0020.00517.45
8.1.60.0080.00017.42
8.1.50.0000.00717.43
8.1.40.0000.00717.43
8.1.30.0030.00617.43
8.1.20.0030.00517.49
8.1.10.0080.00017.48
8.1.00.0040.00417.39
8.0.300.0000.00718.77
8.0.290.0020.00516.63
8.0.280.0000.00818.25
8.0.270.0070.00017.09
8.0.260.0030.00316.75
8.0.250.0030.00316.82
8.0.240.0070.00016.82
8.0.230.0000.00816.79
8.0.220.0000.00716.69
8.0.210.0000.00716.70
8.0.200.0000.00616.77
8.0.190.0000.00816.87
8.0.180.0040.00416.86
8.0.170.0070.00016.77
8.0.160.0000.00716.82
8.0.150.0070.00016.84
8.0.140.0030.00316.67
8.0.130.0060.00013.28
8.0.120.0000.00716.67
8.0.110.0070.00016.78
8.0.100.0000.00716.66
8.0.90.0050.00316.70
8.0.80.0040.01216.87
8.0.70.0000.00816.77
8.0.60.0040.00416.85
8.0.50.0040.00416.70
8.0.30.0090.01117.00
8.0.20.0110.00817.40
8.0.10.0020.00516.76
8.0.00.0100.00716.51
7.4.330.0030.00315.55
7.4.320.0070.00016.44
7.4.300.0000.00616.50
7.4.290.0030.00316.53
7.4.280.0070.00016.40
7.4.270.0030.00316.53
7.4.260.0000.00716.42
7.4.250.0030.00616.28
7.4.240.0040.00416.36
7.4.230.0070.00016.59
7.4.220.0090.01516.56
7.4.210.0060.01516.29
7.4.200.0040.00416.48
7.4.160.0120.00416.37
7.4.150.0120.00817.40
7.4.140.0100.01017.86
7.4.130.0180.00716.33
7.4.120.0100.00716.44
7.4.110.0090.00916.36
7.4.100.0070.01016.58
7.4.90.0030.01416.49
7.4.80.0140.00319.39
7.4.70.0130.00316.40
7.4.60.0030.01416.49
7.4.50.0040.01116.59
7.4.40.0120.00416.31
7.4.30.0130.00316.39
7.4.10.0070.01016.29
7.4.00.0070.00915.54
7.3.330.0020.00212.96
7.3.320.0000.00613.04
7.3.310.0030.00316.09
7.3.300.0030.00316.14
7.3.290.0080.00716.12
7.3.280.0080.00816.09
7.3.270.0190.00617.40
7.3.260.0090.00916.35
7.3.250.0110.00716.15
7.3.240.0100.01016.29
7.3.230.0070.01016.09
7.3.210.0100.00716.12
7.3.200.0060.01016.14
7.3.190.0030.01316.51
7.3.180.0130.00316.24
7.3.170.0120.00916.52
7.3.160.0000.01616.09
7.3.130.0120.00616.27
7.3.120.0030.01416.15
7.3.110.0030.01316.11
7.3.100.0120.00616.38
7.3.90.0130.00616.07
7.3.80.0030.01516.09
7.3.70.0030.01216.16
7.3.60.0060.00616.23
7.3.50.0060.00916.07
7.3.40.0030.01216.23
7.3.30.0060.00916.11
7.3.20.0070.00718.03
7.3.10.0040.01218.10
7.3.00.0120.00317.96
7.2.330.0050.01316.17
7.2.320.0110.00716.52
7.2.310.0060.00916.60
7.2.300.0030.01416.51
7.2.290.0080.01316.20
7.2.260.0040.01516.48
7.2.250.0040.01816.64
7.2.240.0070.01116.28
7.2.230.0030.01416.56
7.2.220.0070.01116.53
7.2.210.0030.01016.58
7.2.200.0100.00316.31
7.2.190.0110.00016.39
7.2.180.0080.00416.43
7.2.170.0030.01516.30
7.2.160.0000.01216.24
7.2.150.0030.00718.41
7.2.140.0040.01118.40
7.2.130.0040.00818.27
7.2.120.0100.00318.28
7.2.110.0120.00318.23
7.2.100.0000.01218.33
7.2.90.0090.00516.36
7.2.80.0090.00516.25
7.2.70.0110.01316.40
7.2.60.0340.00716.47
7.2.50.0320.00716.59
7.2.40.0170.01016.59
7.2.30.0100.01016.49
7.2.20.0080.00816.53
7.2.10.0220.00516.59
7.2.00.0040.00916.37
7.1.330.0060.00917.46
7.1.320.0070.00717.36
7.1.310.0000.01217.48
7.1.300.0060.00617.26
7.1.290.0030.01017.38
7.1.280.0090.00617.30
7.1.270.0070.00717.26
7.1.260.0030.01017.25
7.1.250.0030.01217.22
7.1.240.0060.00617.13
7.1.230.0000.00917.25
7.1.220.0040.00817.24
7.1.210.0300.00415.49
7.1.200.0170.00715.51
7.1.190.0400.00415.55
7.1.180.0700.01215.36
7.1.170.0120.00315.49
7.1.160.0090.00515.49
7.1.150.0080.00915.51
7.1.140.0220.00715.44
7.1.130.0120.00815.51
7.1.120.0060.00715.30
7.1.110.0070.01415.46
7.1.100.0340.00915.53
7.1.90.2170.00615.57
7.1.80.0320.00615.37
7.1.70.0650.01015.50
7.1.60.0170.00824.59
7.1.50.1120.00924.51
7.1.40.0500.00424.49
7.1.30.0180.00724.50
7.1.20.0160.01224.48
7.1.10.0060.00815.53
7.1.00.0450.00815.30
7.0.330.0070.01016.99
7.0.320.0030.01016.88
7.0.310.0210.00715.16
7.0.300.0250.00315.04
7.0.290.0560.00615.25
7.0.280.0100.01115.00
7.0.270.0110.00515.15
7.0.260.0130.00515.22
7.0.250.0040.01215.18
7.0.240.0140.00415.27
7.0.230.0320.00315.18
7.0.220.0020.01415.11
7.0.210.0990.00515.12
7.0.200.0040.01215.23
7.0.190.0840.00915.37
7.0.180.0620.00515.19
7.0.170.0130.00315.22
7.0.160.0100.01015.18
7.0.150.0430.00715.15
7.0.140.0580.01115.14
7.0.130.0610.00715.20
7.0.120.0110.00715.27
7.0.110.0620.01115.14
7.0.100.0120.01015.08
7.0.90.0120.00815.12
7.0.80.0540.00815.07
7.0.70.0250.00815.29
7.0.60.0090.00615.26
7.0.50.0500.00915.27
7.0.40.0090.00814.17
7.0.30.0160.00214.36
7.0.20.0430.00714.10
7.0.10.0840.01114.17
7.0.00.0420.01314.11
5.6.400.0100.00315.64
5.6.390.0070.00715.69
5.6.380.0060.00915.83
5.6.370.0030.01015.57
5.6.360.0000.01415.63
5.6.350.0040.01115.75
5.6.340.0100.00715.51
5.6.330.0060.00615.65
5.6.320.0000.01415.56
5.6.310.0000.01615.63
5.6.300.0030.01015.77
5.6.290.0070.00715.60
5.6.280.0090.00615.85
5.6.270.0030.01015.77
5.6.260.0000.01515.75
5.6.250.0030.01015.58
5.6.240.0060.00615.70
5.6.230.0000.01015.48
5.6.220.0030.00715.75
5.6.210.0040.00815.41
5.6.200.0060.00615.77
5.6.190.0070.00315.58
5.6.180.0000.01415.85
5.6.170.0070.00315.77
5.6.160.0060.00315.62
5.6.150.0060.00615.45
5.6.140.0070.00715.51
5.6.130.0060.00915.57
5.6.120.0080.00415.61
5.6.110.0080.00615.76
5.6.100.0110.00315.53
5.6.90.0040.00715.75
5.6.80.0080.00415.41
5.6.70.0000.01515.52
5.6.60.0030.01015.67
5.6.50.0000.01315.91
5.6.40.0000.01215.48
5.6.30.0070.01015.49
5.6.20.0090.00415.64
5.6.10.0070.01115.66
5.6.00.0100.00015.57

preferences:
114.2 ms | 401 KiB | 5 Q