3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(); $b = implode(',' , $a); var_dump($b);

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)
8.3.40.0120.00318.59
8.3.30.0130.00718.79
8.3.20.0070.00020.34
8.3.10.0000.00721.77
8.3.00.0060.00319.00
8.2.170.0100.01022.96
8.2.160.0040.01520.39
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00419.23
8.2.110.0060.00320.27
8.2.100.0030.00917.61
8.2.90.0000.00818.16
8.2.80.0050.00317.97
8.2.70.0030.00617.50
8.2.60.0040.00418.04
8.2.50.0080.00018.07
8.2.40.0080.00019.88
8.2.30.0080.00018.05
8.2.20.0040.00417.52
8.2.10.0070.00018.01
8.2.00.0040.00417.64
8.1.270.0040.00418.93
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0050.00522.24
8.1.230.0030.00720.97
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0030.00617.23
8.1.190.0060.00317.23
8.1.180.0000.00818.10
8.1.170.0040.00420.30
8.1.160.0000.00721.95
8.1.150.0040.00418.80
8.1.140.0080.00017.31
8.1.130.0000.00717.81
8.1.120.0000.01017.37
8.1.110.0050.00217.38
8.1.100.0070.00017.39
8.1.90.0050.00317.43
8.1.80.0000.00717.35
8.1.70.0070.00017.34
8.1.60.0040.00417.52
8.1.50.0040.00417.40
8.1.40.0000.00817.46
8.1.30.0050.00317.57
8.1.20.0000.00817.57
8.1.10.0070.00017.32
8.1.00.0050.00317.35
8.0.300.0090.00019.96
8.0.290.0060.00316.58
8.0.280.0030.00318.25
8.0.270.0000.00717.14
8.0.260.0060.00017.10
8.0.250.0030.00316.89
8.0.240.0040.00416.75
8.0.230.0030.00316.91
8.0.220.0000.00716.69
8.0.210.0070.00016.78
8.0.200.0000.00616.92
8.0.190.0040.00416.92
8.0.180.0070.00016.88
8.0.170.0050.00316.77
8.0.160.0000.00716.91
8.0.150.0000.00716.80
8.0.140.0000.00716.77
8.0.130.0030.00313.33
8.0.120.0040.00416.69
8.0.110.0030.00516.85
8.0.100.0030.00516.67
8.0.90.0040.00416.68
8.0.80.0130.00316.82
8.0.70.0000.00716.77
8.0.60.0030.00316.82
8.0.50.0000.00816.80
8.0.30.0080.01616.94
8.0.20.0130.00617.40
8.0.10.0040.00416.90
8.0.00.0100.00916.65
7.4.330.0020.00215.03
7.4.320.0030.00316.47
7.4.300.0060.00016.57
7.4.290.0030.00316.47
7.4.280.0040.00416.33
7.4.270.0070.00016.45
7.4.260.0000.00716.46
7.4.250.0040.00416.34
7.4.240.0000.00716.36
7.4.230.0000.00716.18
7.4.220.0130.01316.44
7.4.210.0070.00716.56
7.4.200.0070.00016.43
7.4.160.0060.00916.54
7.4.150.0180.00317.40
7.4.140.0140.00717.86
7.4.130.0050.01416.40
7.4.120.0130.00716.44
7.4.110.0090.00916.39
7.4.100.0080.00816.36
7.4.90.0060.01216.43
7.4.80.0100.00719.39
7.4.70.0190.00316.37
7.4.60.0090.00616.29
7.4.50.0060.00316.54
7.4.40.0120.00416.34
7.4.30.0160.00616.55
7.4.00.0090.00814.92
7.3.330.0000.00513.04
7.3.320.0080.00412.89
7.3.310.0070.00015.97
7.3.300.0000.00616.12
7.3.290.0060.00916.15
7.3.280.0100.00816.13
7.3.270.0070.01017.40
7.3.260.0170.00016.01
7.3.250.0110.00616.34
7.3.240.0150.00616.07
7.3.230.0090.00916.43
7.3.210.0070.00816.18
7.3.200.0060.01216.31
7.3.190.0110.00716.02
7.3.180.0150.00616.31
7.3.170.0060.01016.42
7.3.160.0100.00616.20
7.3.120.0090.00914.61
7.3.110.0060.01214.89
7.3.100.0000.01714.38
7.3.90.0100.00314.37
7.3.80.0070.00314.67
7.3.70.0070.00714.70
7.3.60.0030.00714.34
7.3.50.0070.00714.82
7.3.40.0030.01214.41
7.3.30.0070.00714.49
7.3.20.0000.01416.68
7.3.10.0040.00916.56
7.3.00.0110.00016.60
7.2.330.0060.01016.55
7.2.320.0070.01416.64
7.2.310.0090.00616.59
7.2.300.0140.00716.67
7.2.290.0120.00616.47
7.2.250.0030.01414.81
7.2.240.0070.01414.84
7.2.230.0100.00615.12
7.2.220.0060.01215.14
7.2.210.0030.01214.89
7.2.200.0070.00715.06
7.2.190.0080.00315.00
7.2.180.0060.00914.72
7.2.170.0030.00714.71
7.2.130.0110.00316.59
7.2.120.0040.00416.73
7.2.110.0060.00616.39
7.2.100.0060.00916.82
7.2.90.0000.01316.62
7.2.80.0080.00016.61
7.2.70.0000.01116.89
7.2.60.0060.00616.73
7.2.50.0060.00616.67
7.2.40.0070.00716.86
7.2.30.0060.01016.71
7.2.20.0030.01316.22
7.2.10.0090.00316.85
7.2.00.0000.01018.07
7.1.330.0090.00415.70
7.1.320.0110.00015.86
7.1.310.0090.00315.56
7.1.300.0030.00715.48
7.1.290.0090.00315.78
7.1.280.0110.00015.76
7.1.270.0000.01615.95
7.1.260.0100.00615.77
7.1.250.0080.00415.54
7.1.100.0130.00417.91
7.1.70.0060.00316.97
7.1.60.0000.01319.50
7.1.50.0040.01816.72
7.1.00.0000.07722.30
7.0.200.0710.00614.63
7.0.140.0030.07722.12
7.0.60.0130.07020.00
7.0.50.0070.06717.79
7.0.40.0130.08019.98
7.0.30.0200.08320.04
7.0.20.0170.04720.03
7.0.10.0230.08020.13
7.0.00.0000.09020.12
5.6.280.0030.07321.14
5.6.210.0100.08020.71
5.6.200.0070.08318.17
5.6.190.0070.07720.39
5.6.180.0300.04720.61
5.6.170.0300.06720.51
5.6.160.0130.07720.49
5.6.150.0130.07318.09
5.6.140.0030.04318.18
5.6.130.0000.04318.15
5.6.120.0030.09321.02
5.6.110.0070.07720.90
5.6.100.0030.05021.10
5.6.90.0000.04720.96
5.6.80.0130.06720.40
5.6.70.0030.07720.39
5.5.350.0330.07020.48
5.5.340.0030.04717.99
5.5.330.0030.05320.56
5.5.320.0130.04320.48
5.5.310.0300.05020.20
5.5.300.0070.03317.88
5.5.290.0070.04317.95
5.5.280.0070.07020.96
5.5.270.0030.04020.87
5.5.260.0100.06020.78
5.5.250.0230.06020.68
5.5.240.0000.08320.34
5.4.450.0100.05719.48
5.4.440.0870.06319.41
5.4.430.0830.05319.48
5.4.420.0130.07319.09
5.4.410.0070.06318.88
5.4.400.1030.05018.62
5.4.390.0970.06018.75
5.4.380.1200.05318.62
5.4.370.1000.06018.68
5.4.360.1070.04318.50
5.4.350.1100.06318.77
5.4.340.0930.06718.56
5.4.320.1230.05318.65
5.4.310.1000.05318.52
5.4.300.1170.06018.58
5.4.290.0970.05318.69
5.4.280.1000.06018.61
5.4.270.1230.07018.73
5.4.260.1100.05018.48
5.4.250.1070.05718.66
5.4.240.1100.04718.64
5.4.230.1000.05018.43
5.4.220.1000.05018.57
5.4.210.1000.05018.51
5.4.200.1030.06316.74
5.4.190.1100.06318.55
5.4.180.1070.04318.74
5.4.170.0930.05718.50
5.4.160.1030.05718.64
5.4.150.1000.05318.56
5.4.140.1170.05716.31
5.4.130.1370.04316.26
5.4.120.1170.05016.30
5.4.110.1230.05316.05
5.4.100.1130.05016.19
5.4.90.1070.04716.25
5.4.80.1070.04316.09
5.4.70.1030.04716.19
5.4.60.1030.04716.32
5.4.50.1000.04016.13
5.4.40.1000.04716.23
5.4.30.1100.03316.13
5.4.20.1170.06316.21
5.4.10.0970.04716.32
5.4.00.0900.05315.80
5.3.290.0870.06314.57
5.3.280.1000.04714.59
5.3.270.1030.06014.60
5.3.260.1370.05714.58
5.3.250.1200.05314.58
5.3.240.1200.05314.55
5.3.230.1070.04014.57
5.3.220.0970.05714.46
5.3.210.1100.04714.55
5.3.200.1030.04714.53
5.3.190.1030.05314.52
5.3.180.0930.05314.59
5.3.170.1270.07714.54
5.3.160.1400.06314.65
5.3.150.0930.05314.45
5.3.140.0900.06714.55
5.3.130.1000.05014.52
5.3.120.1070.06014.54
5.3.110.1000.06014.59
5.3.100.0900.06014.02
5.3.90.0970.05013.97
5.3.80.1000.04714.09
5.3.70.0930.05714.11
5.3.60.0900.05714.10
5.3.50.0930.05314.02
5.3.40.0930.05313.86
5.3.30.1070.04013.83
5.3.20.1030.04713.59
5.3.10.0930.05013.64
5.3.00.1000.05013.63
5.2.170.0870.06311.09
5.2.160.0900.03011.30
5.2.150.0800.04011.05
5.2.140.0770.04711.17
5.2.130.0770.04711.25
5.2.120.0870.03311.06
5.2.110.0730.04711.26
5.2.100.0930.06011.10
5.2.90.0830.03711.08
5.2.80.0800.04011.01
5.2.70.0830.03711.08
5.2.60.0870.04010.97
5.2.50.0830.04711.00
5.2.40.0630.04010.94
5.2.30.0700.03710.88
5.2.20.0700.03310.93
5.2.10.0700.03711.03
5.2.00.0700.04010.82
5.1.60.0670.03310.02
5.1.50.0600.04010.10
5.1.40.0730.0309.98
5.1.30.0770.04310.39
5.1.20.0830.03710.32
5.1.10.0730.04010.14
5.1.00.0730.04010.11
5.0.50.0400.0308.52
5.0.40.0400.0278.50
5.0.30.0400.0438.34
5.0.20.0370.0278.23
5.0.10.0370.0278.18
5.0.00.0400.0378.19
4.4.90.0430.0275.87
4.4.80.0370.0205.85
4.4.70.0330.0235.81
4.4.60.0330.0235.89
4.4.50.0370.0275.89
4.4.40.0400.0375.87
4.4.30.0370.0375.91
4.4.20.0370.0235.95
4.4.10.0500.0205.92
4.4.00.0300.0375.89
4.3.110.0330.0235.85
4.3.100.0330.0205.74
4.3.90.0370.0175.82
4.3.80.0500.0375.87
4.3.70.0300.0235.77
4.3.60.0300.0205.78
4.3.50.0400.0235.82
4.3.40.0370.0375.76
4.3.30.0230.0204.71
4.3.20.0130.0274.71
4.3.10.0100.0274.71
4.3.00.0030.0207.05

preferences:
49.46 ms | 400 KiB | 5 Q