3v4l.org

run code in 300+ PHP versions simultaneously
<?php $body = "This question is a {{x}} of {{y}} within SO."; $text = ['possible duplicate', '@21100035']; echo preg_replace_callback('~{{[^{}]++}}~', function($m) use ($text, &$count) { return $text[(int)$count++] ?? $m[0]; }, $body, -1, $count);

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)
8.5.10.0070.01116.89
8.5.00.0110.01320.16
8.4.150.0030.00014.05
8.4.140.0150.00717.65
8.4.130.0080.00917.99
8.4.120.0060.00317.93
8.4.110.0120.00818.71
8.4.100.0120.00618.80
8.4.90.0100.01117.93
8.4.80.0060.00220.73
8.4.70.0100.00818.05
8.4.60.0110.01018.02
8.4.50.0120.00819.72
8.4.40.0180.00319.43
8.4.30.0070.01317.73
8.4.20.0180.00319.61
8.4.10.0100.01019.62
8.3.280.0110.01120.54
8.3.270.0160.00916.93
8.3.260.0050.00316.74
8.3.250.0060.00319.27
8.3.240.0130.00716.72
8.3.230.0090.01016.96
8.3.220.0120.00617.25
8.3.210.0110.00916.91
8.3.200.0070.01316.70
8.3.190.0080.01117.07
8.3.180.0090.01016.57
8.3.170.0120.00616.78
8.3.160.0040.01216.93
8.3.150.0110.00717.27
8.3.140.0040.00416.93
8.3.130.0040.00418.62
8.3.120.0200.00018.88
8.3.110.0040.00720.94
8.3.100.0030.00624.06
8.3.90.0040.00426.77
8.3.80.0060.00318.68
8.3.70.0070.00718.43
8.3.60.0140.00716.88
8.3.50.0120.00817.51
8.3.40.0000.01818.96
8.3.30.0000.01519.09
8.3.20.0040.00420.25
8.3.10.0040.00423.48
8.3.00.0080.00023.60
8.2.290.0130.00520.48
8.2.280.0110.00916.64
8.2.270.0100.00016.82
8.2.260.0000.00817.30
8.2.250.0100.00018.61
8.2.240.0090.00017.41
8.2.230.0070.00322.58
8.2.220.0090.00037.54
8.2.210.0110.00826.77
8.2.200.0060.00317.00
8.2.190.0060.00916.75
8.2.180.0110.00718.30
8.2.170.0040.01119.19
8.2.160.0100.01022.96
8.2.150.0050.00325.66
8.2.140.0080.00024.66
8.2.130.0040.00422.13
8.2.120.0000.00826.35
8.2.110.0070.00320.39
8.2.100.0090.00418.09
8.2.90.0030.00519.31
8.2.80.0090.00017.97
8.2.70.0040.00417.75
8.2.60.0000.00817.93
8.2.50.0030.00518.10
8.2.40.0100.00219.10
8.2.30.0090.00418.49
8.2.20.0100.00218.01
8.2.10.0060.00517.84
8.2.00.0080.00418.03
8.1.330.0090.00822.11
8.1.320.0060.00318.20
8.1.310.0030.00616.56
8.1.300.0000.01820.39
8.1.290.0060.00330.84
8.1.280.0090.00925.92
8.1.270.0080.00023.71
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0040.00421.05
8.1.230.0000.01120.36
8.1.220.0000.00817.77
8.1.210.0050.00318.77
8.1.200.0060.00317.60
8.1.190.0060.00317.48
8.1.180.0030.00518.10
8.1.170.0120.00018.19
8.1.160.0050.00718.30
8.1.150.0090.00218.88
8.1.140.0050.00818.32
8.1.130.0070.00518.29
8.1.120.0050.00617.56
8.1.110.0100.00217.53
8.1.100.0090.00317.62
8.1.90.0060.00617.61
8.1.80.0090.00417.56
8.1.70.0100.00217.58
8.1.60.0090.00417.68
8.1.50.0100.00317.67
8.1.40.0040.00817.65
8.1.30.0080.00417.74
8.1.20.0060.00617.66
8.1.10.0050.00717.70
8.1.00.0070.00517.65
8.0.300.0060.00318.77
8.0.290.0030.00516.88
8.0.280.0100.00218.04
8.0.270.0070.00517.46
8.0.260.0090.00218.22
8.0.250.0070.00517.35
8.0.240.0120.00117.40
8.0.230.0100.00117.39
8.0.220.0110.00217.15
8.0.210.0070.00417.26
8.0.200.0060.00617.36
8.0.190.0060.00817.29
8.0.180.0070.00417.29
8.0.170.0060.00617.29
8.0.160.0090.00517.39
8.0.150.0060.00517.29
8.0.140.0090.00317.31
8.0.130.0090.00215.55
8.0.120.0080.00417.32
8.0.110.0060.00617.29
8.0.100.0070.00517.30
8.0.90.0090.00317.37
8.0.80.0060.01317.28
8.0.70.0020.01017.36
8.0.60.0060.00617.27
8.0.50.0080.00417.28
8.0.30.0070.01117.44
8.0.20.0120.00617.48
8.0.10.0100.00217.35
8.0.00.0060.01217.25
7.4.330.0040.00517.21
7.4.320.0060.00517.22
7.4.300.0090.00217.22
7.4.290.0080.00317.21
7.4.280.0100.00117.19
7.4.270.0090.00317.22
7.4.260.0060.00617.11
7.4.250.0100.00117.13
7.4.240.0050.00517.21
7.4.230.0070.00417.25
7.4.220.0070.01117.10
7.4.210.0120.00516.96
7.4.200.0060.00417.16
7.4.190.0050.00917.62
7.4.180.0110.00517.62
7.4.160.0090.00617.06
7.4.150.0100.00617.51
7.4.140.0090.00717.81
7.4.130.0090.01117.18
7.4.120.0110.00716.83
7.4.110.0090.01016.92
7.4.100.0070.01016.79
7.4.90.0100.00916.83
7.4.80.0100.00917.34
7.4.70.0080.01016.88
7.4.60.0090.00816.75
7.4.50.0100.00816.87
7.4.40.0110.00616.84
7.4.30.0110.00616.89
7.4.20.0110.01016.96
7.4.10.0150.00616.91
7.4.00.0100.00816.59
7.3.330.0100.00015.45
7.3.320.0050.00515.56
7.3.310.0070.00417.12
7.3.300.0050.00617.07
7.3.290.0050.00617.00
7.3.280.0100.00716.90
7.3.270.0140.00317.51
7.3.260.0140.00516.87
7.3.250.0070.01316.81
7.3.240.0120.00616.74
7.3.230.0110.00616.95
7.3.220.0110.00616.86
7.3.210.0100.00716.83
7.3.200.0090.00816.72
7.3.190.0100.00716.84
7.3.180.0110.00616.80
7.3.170.0130.00516.86
7.3.160.0110.00616.90
7.3.150.0140.00516.83
7.3.140.0110.01016.86
7.3.130.0160.00716.82
7.3.120.0120.00816.54
7.3.110.0100.00816.49
7.3.100.0120.00916.50
7.3.90.0110.00816.41
7.3.80.0100.00816.29
7.3.70.0120.00716.18
7.3.60.0120.00616.17
7.3.50.0120.00715.86
7.3.40.0100.00815.90
7.3.30.0090.00815.84
7.3.20.0110.00816.17
7.3.10.0120.00716.16
7.3.00.0140.00616.18
7.2.340.0140.00717.13
7.2.330.0120.00716.99
7.2.320.0110.00717.00
7.2.310.0100.00816.95
7.2.300.0100.00717.03
7.2.290.0100.00916.94
7.2.280.0140.00517.06
7.2.270.0110.00917.02
7.2.260.0100.01017.05
7.2.250.0120.00917.04
7.2.240.0130.00616.68
7.2.230.0140.00716.68
7.2.220.0130.00816.68
7.2.210.0100.01116.42
7.2.200.0130.00716.29
7.2.190.0090.01016.40
7.2.180.0100.01016.04
7.2.170.0130.00816.02
7.2.160.0100.00716.08
7.2.150.0130.00616.49
7.2.140.0110.00716.42
7.2.130.0140.00916.46
7.2.120.0130.00716.47
7.2.110.0180.00616.45
7.2.100.0120.01116.43
7.2.90.0110.00816.49
7.2.80.0110.00716.48
7.2.70.0110.00816.48
7.2.60.0150.00616.52
7.2.50.0120.00916.41
7.2.40.0150.00816.49
7.2.30.0130.00716.52
7.2.20.0130.00916.50
7.2.10.0100.00916.40
7.2.00.0130.00816.44
7.1.330.0160.00716.11
7.1.320.0270.00716.22
7.1.310.0130.00715.85
7.1.300.0120.01115.88
7.1.290.0150.00815.76
7.1.280.0220.00815.43
7.1.270.0130.00815.42
7.1.260.0130.00815.36
7.1.250.0130.00915.39
7.1.240.0170.00815.27
7.1.230.0240.00915.31
7.1.220.0170.00715.31
7.1.210.0170.00715.36
7.1.200.0160.00715.42
7.1.190.0190.00615.26
7.1.180.0160.00815.33
7.1.170.0170.00915.29
7.1.160.0260.01015.26
7.1.150.0180.00815.32
7.1.140.0160.00915.35
7.1.130.0180.00815.32
7.1.120.0180.00715.31
7.1.110.0240.00715.63
7.1.100.0240.00815.55
7.1.90.0210.00915.56
7.1.80.0360.00715.58
7.1.70.0270.00815.43
7.1.60.0330.00719.37
7.1.50.0270.00819.58
7.1.40.0220.01019.47
7.1.30.0360.00719.48
7.1.20.0230.01219.51
7.1.10.0230.00715.47
7.1.00.0200.00815.48
7.0.330.0150.00615.00
7.0.320.0220.00915.02
7.0.310.0190.00614.98
7.0.300.0180.00615.08
7.0.290.0160.01014.98
7.0.280.0250.00415.11
7.0.270.0160.00914.98
7.0.260.0160.00914.96
7.0.250.0200.00815.25
7.0.240.0290.00815.30
7.0.230.0210.00815.28
7.0.220.0230.00715.25
7.0.210.0250.00915.00
7.0.200.0230.00815.00
7.0.190.0260.00615.31
7.0.180.0180.01115.17
7.0.170.0220.00815.07
7.0.160.0220.00715.16
7.0.150.0220.00615.14
7.0.140.0210.00715.18
7.0.130.0520.00715.19
7.0.120.0190.00815.21
7.0.110.0200.00915.20
7.0.100.0230.00715.09
7.0.90.0180.01115.17
7.0.80.0180.01015.19
7.0.70.0190.00915.10
7.0.60.0190.00915.10
7.0.50.0220.00715.17
7.0.40.0180.00815.24
7.0.30.0280.00715.26
7.0.20.0240.00615.16
7.0.10.0230.00715.21
7.0.00.0250.00615.08
5.6.400.0130.00815.24
5.6.390.0140.00615.27
5.6.380.0120.00815.23
5.6.370.0150.00715.30
5.6.360.0130.01015.39
5.6.350.0150.01015.38
5.6.340.0110.01215.25
5.6.330.0130.01115.32
5.6.320.0140.00815.27
5.6.310.0150.01115.40
5.6.300.0160.02116.49
5.6.290.0140.01916.54
5.6.280.0120.02016.52
5.6.270.0110.02216.54
5.6.260.0140.01916.55
5.6.250.0120.02216.46
5.6.240.0150.01816.54
5.6.230.0150.01716.49
5.6.220.0150.01816.59
5.6.210.0120.02216.50
5.6.200.0130.02116.48
5.6.190.0130.02016.54
5.6.180.0120.02316.40
5.6.170.0150.01916.59
5.6.160.0130.02216.46
5.6.150.0150.02016.43
5.6.140.0150.02116.48
5.6.130.0130.02116.52
5.6.120.0150.01916.45
5.6.110.0150.01816.48
5.6.100.0160.01816.47
5.6.90.0150.01716.49
5.6.80.0110.01916.27
5.6.70.0150.01616.31
5.6.60.0130.02016.25
5.6.50.0120.01916.28
5.6.40.0140.01616.26
5.6.30.0140.01816.31
5.6.20.0140.02016.29
5.6.10.0150.01816.24
5.6.00.0120.02016.26

preferences:
41.35 ms | 403 KiB | 5 Q