3v4l.org

run code in 300+ PHP versions simultaneously
<?php // Curious about the bytecode difference between comma-separated and period-concatenated echoes echo 'foo', 'bar', 'baz'; echo 'foo' . 'bar' . 'baz'; echo 'foo', 'bar'[rand(0,2)], 'baz';

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)
7.3.120.0100.00014.42
7.3.110.0100.00314.70
7.3.100.0090.00614.81
7.3.90.0000.01514.42
7.3.80.0040.00714.72
7.3.70.0040.01214.77
7.3.60.0070.00714.71
7.3.50.0070.01014.69
7.3.40.0030.01314.79
7.3.30.0030.01414.82
7.3.20.0080.00416.58
7.3.10.0110.00416.68
7.3.00.0090.00416.72
7.2.240.0040.00514.75
7.2.230.0100.00315.01
7.2.220.0060.00614.97
7.2.210.0030.01214.84
7.2.200.0040.00714.78
7.2.190.0060.00614.55
7.2.180.0040.00815.02
7.2.170.0060.00614.59
7.2.160.0000.01414.79
7.2.150.0080.00816.80
7.2.140.0040.01116.76
7.2.130.0050.00916.72
7.2.120.0070.01016.91
7.2.110.0040.01116.79
7.2.100.0040.00916.59
7.2.90.0100.00716.68
7.2.80.0030.01016.88
7.2.70.0060.00516.79
7.2.60.0070.00716.77
7.2.50.0080.00216.84
7.2.40.0070.00616.71
7.2.30.0050.01116.56
7.2.20.0080.00516.78
7.2.10.0030.01116.62
7.2.00.0070.00517.70
7.1.330.0140.00015.73
7.1.320.0030.01015.72
7.1.310.0100.00715.79
7.1.300.0070.00715.64
7.1.290.0040.01115.77
7.1.280.0070.00715.74
7.1.270.0070.00715.66
7.1.260.0070.00715.63
7.1.250.0090.00715.85
7.1.240.0050.00515.74
7.1.230.0090.00615.75
7.1.220.0000.00915.85
7.1.210.0070.00315.93
7.1.200.0070.00715.79
7.1.190.0100.00315.75
7.1.180.0030.00315.63
7.1.170.0000.00915.67
7.1.160.0060.00815.77
7.1.150.0060.01015.88
7.1.140.0030.00715.91
7.1.130.0070.00415.89
7.1.120.0070.00315.42
7.1.110.0040.00715.69
7.1.100.0030.00515.66
7.1.90.0090.00615.72
7.1.80.0030.00915.53
7.1.70.0020.00816.35
7.1.60.0060.01317.52
7.1.50.0020.01416.27
7.1.40.0090.00315.51
7.1.30.0040.00415.65
7.1.20.0100.00615.68
7.1.10.0070.01015.44
7.1.00.0050.04219.16
7.0.330.0090.00015.25
7.0.320.0090.00415.47
7.0.310.0030.00515.23
7.0.300.0090.00315.02
7.0.290.0070.00915.05
7.0.280.0030.01015.31
7.0.270.0100.00315.09
7.0.260.0080.00415.36
7.0.250.0110.00015.32
7.0.240.0040.00715.29
7.0.230.0040.00415.22
7.0.220.0070.00715.11
7.0.210.0040.00815.41
7.0.200.0070.00416.07
7.0.190.0130.00315.36
7.0.180.0080.00315.39
7.0.170.0060.00615.35
7.0.160.0110.00015.36
7.0.150.0050.00515.28
7.0.140.0020.04318.53
7.0.130.0080.00415.38
7.0.120.0130.00015.22
7.0.110.0030.00615.48
7.0.100.0070.00715.07
7.0.90.0040.00415.41
7.0.80.0060.00615.35
7.0.70.0070.00715.09
7.0.60.0080.04217.60
7.0.50.0080.04116.65
7.0.40.0030.02616.71
7.0.30.0160.02816.66
7.0.20.0160.04816.72
7.0.10.0060.04616.67
7.0.00.0060.04616.74
5.6.380.0040.01114.32
5.6.370.0090.00414.06
5.6.360.0100.00314.07
5.6.350.0060.00814.38
5.6.340.0140.00014.26
5.6.330.0060.00614.14
5.6.320.0080.00414.49
5.6.310.0060.00914.22
5.6.300.0120.00014.18
5.6.290.0030.00613.81
5.6.280.0030.04017.56
5.6.270.0030.00714.09
5.6.260.0060.00614.21
5.6.250.0060.00914.00
5.6.240.0100.00314.30
5.6.230.0000.00814.16
5.6.220.0120.00014.28
5.6.210.0070.04417.31
5.6.200.0050.04616.19
5.6.190.0070.04917.34
5.6.180.0210.02017.71
5.6.170.0190.02717.26
5.6.160.0050.04617.36
5.6.150.0100.03516.36
5.6.140.0100.04016.16
5.6.130.0020.02816.17
5.6.120.0130.01517.66
5.6.110.0030.04917.62
5.6.100.0050.02417.68
5.6.90.0120.02317.68
5.6.80.0080.04117.17
5.6.70.0080.00814.07
5.6.60.0120.00314.32
5.6.50.0110.00313.91
5.6.40.0080.00414.06
5.6.30.0030.01014.16
5.6.20.0060.00614.08
5.6.10.0040.00814.15
5.6.00.0100.00314.25
5.5.380.0030.00611.18
5.5.370.0040.00811.18
5.5.360.0000.00711.18
5.5.350.2030.02015.79
5.5.340.0100.04014.55
5.5.330.0050.03315.70
5.5.320.0120.04615.73
5.5.310.0230.03815.73
5.5.300.0120.03714.58
5.5.290.0020.04714.56
5.5.280.0070.03016.01
5.5.270.0030.03316.02
5.5.260.0100.03815.94
5.5.250.0020.04815.86
5.5.240.0020.04415.66
5.5.230.0030.00511.18
5.5.220.0000.00611.18
5.5.210.0060.00611.18
5.5.200.0060.00611.18
5.5.190.0060.00311.18
5.5.180.0030.00711.18
5.5.170.0060.00311.18
5.5.160.0070.00411.18
5.5.150.0110.00011.18
5.5.140.0030.00711.18
5.5.130.0060.00011.18
5.5.120.0040.00411.18
5.5.110.0070.00311.18
5.5.100.0030.01011.18
5.5.90.0040.00711.18
5.5.80.0040.00411.18
5.5.70.0040.00411.18
5.5.60.0030.00711.18
5.5.50.0000.00911.18
5.5.40.0000.00811.18
5.5.30.0030.00311.18
5.5.20.0030.00811.18
5.5.10.0080.00311.18
5.5.00.0000.01111.18
5.4.450.0130.03315.39
5.4.440.0390.03415.35
5.4.430.0350.03315.39
5.4.420.0340.03615.39
5.4.410.0090.02515.27
5.4.400.0070.02815.12
5.4.390.0380.03415.19
5.4.380.0100.03014.95
5.4.370.0180.03014.91
5.4.360.0120.02614.93
5.4.350.0100.02311.60
5.4.340.0070.02711.59
5.4.330.0030.00911.18
5.4.320.0040.02111.84
5.4.310.0050.02411.83
5.4.300.0060.02111.84
5.4.290.0020.02611.83
5.4.280.0050.02111.78
5.4.270.0040.02011.78
5.4.260.0050.02611.78
5.4.250.0090.02411.79
5.4.240.0030.02711.78
5.4.230.0030.02311.78
5.4.220.0030.02211.78
5.4.210.0050.02011.78
5.4.200.0040.02211.78
5.4.190.0070.02111.78
5.4.180.0080.01811.78
5.4.170.0050.02011.78
5.4.160.0040.02011.78
5.4.150.0070.01911.78
5.4.140.0060.02011.62
5.4.130.0060.01911.61
5.4.120.0080.01911.60
5.4.110.0030.02511.59
5.4.100.0070.02011.59
5.4.90.0080.02311.59
5.4.80.0040.02311.59
5.4.70.0050.02411.59
5.4.60.0050.02311.59
5.4.50.0040.02211.59
5.4.40.0050.02511.59
5.4.30.0060.02011.58
5.4.20.0040.02111.58
5.4.10.0050.02111.58
5.4.00.0040.02511.33
5.3.290.0060.02211.99
5.3.280.0080.02711.94
5.3.270.0040.02411.95
5.3.260.0070.02511.95
5.3.250.0080.02711.95
5.3.240.0030.02511.95
5.3.230.0070.02011.94
5.3.220.0060.03211.93
5.3.210.0100.02011.93
5.3.200.0040.02111.93
5.3.190.0090.02611.93
5.3.180.0080.02011.92
5.3.170.0060.02411.92
5.3.160.0060.02311.93
5.3.150.0070.02811.92
5.3.140.0060.02111.92
5.3.130.0090.01911.91
5.3.120.0040.02311.92
5.3.110.0090.02211.92
5.3.100.0070.01811.64
5.3.90.0040.02311.63
5.3.80.0040.02111.63
5.3.70.0070.02211.63
5.3.60.0080.01811.62
5.3.50.0070.02011.59
5.3.40.0020.02511.59
5.3.30.0030.02211.56
5.3.20.0050.02111.45
5.3.10.0040.02111.44
5.3.00.0060.02011.43
5.2.170.0040.01810.18
5.2.160.0050.01710.18
5.2.150.0060.01710.18
5.2.140.0040.01810.18
5.2.130.0020.01810.16
5.2.120.0050.01410.16
5.2.110.0040.01510.16
5.2.100.0050.01910.16
5.2.90.0010.01910.16
5.2.80.0040.01810.16
5.2.70.0040.01710.16
5.2.60.0020.02010.13
5.2.50.0050.01810.12
5.2.40.0040.01710.11
5.2.30.0050.01610.10
5.2.20.0060.01610.09
5.2.10.0020.01810.05
5.2.00.0020.0199.98
5.1.60.0050.0139.63
5.1.50.0020.0159.62
5.1.40.0040.0149.61
5.1.30.0040.0149.79
5.1.20.0040.0149.80
5.1.10.0050.0159.66
5.1.00.0030.0149.66
5.0.50.0020.0138.90
5.0.40.0020.0128.83
5.0.30.0040.0178.73
5.0.20.0020.0138.72
5.0.10.0010.0138.71
5.0.00.0030.0188.71
4.4.90.0020.0127.98
4.4.80.0020.0107.97
4.4.70.0020.0097.96
4.4.60.0010.0117.96
4.4.50.0010.0117.97
4.4.40.0030.0157.94
4.4.30.0030.0107.97
4.4.20.0050.0078.01
4.4.10.0020.0108.01
4.4.00.0030.0147.96
4.3.110.0040.0097.92
4.3.100.0010.0107.92
4.3.90.0010.0117.90
4.3.80.0020.0157.88
4.3.70.0020.0127.90
4.3.60.0040.0077.90
4.3.50.0040.0097.90
4.3.40.0020.0167.86
4.3.30.0020.0117.23
4.3.20.0010.0107.22
4.3.10.0030.0097.20
4.3.00.0020.0159.79

preferences:
39.01 ms | 401 KiB | 5 Q