3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array(); $fp = fopen("/usr/share/dict/words", "r"); while ($i < 5000 && ($w = fgets($fp))) { $arr[trim($w)] = ++$i; } $s = microtime(1); for ($i = 0; $i < 100000; $i++) { isset($arr['abracadabra']); } $e = microtime(1); echo "Isset: ".($e - $s)."\n"; $s = microtime(1); for ($i = 0; $i < 100000; $i++) { array_key_exists('abracadabra', $arr); }

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)
7.4.00.0100.01314.99
7.3.120.0070.01314.87
7.3.110.0030.02114.59
7.3.100.0090.01315.02
7.3.90.0030.01714.75
7.3.80.0080.01214.81
7.3.70.0080.00514.71
7.3.60.0030.01614.79
7.3.50.0090.00914.88
7.3.40.0060.01215.00
7.3.30.0070.01414.64
7.3.20.0070.01116.79
7.3.10.0060.01216.44
7.3.00.0050.01416.75
7.2.250.0120.01515.27
7.2.240.0030.02015.04
7.2.230.0060.01614.92
7.2.220.0030.01015.03
7.2.210.0100.01315.06
7.2.200.0100.01015.16
7.2.190.0090.00915.13
7.2.180.0070.01015.07
7.2.170.0000.01715.28
7.2.160.0030.01815.21
7.2.150.0140.01016.96
7.2.140.0040.01816.81
7.2.130.0060.01516.99
7.2.120.0060.01516.96
7.2.110.0050.01416.99
7.2.100.0050.01717.06
7.2.90.0060.01517.03
7.2.80.0050.01516.97
7.2.70.0050.01317.08
7.2.60.0020.01716.99
7.2.50.0080.00916.96
7.2.40.0030.01916.94
7.2.30.0050.01416.94
7.2.20.0050.01316.85
7.2.10.0070.01316.94
7.2.00.0080.01217.83
7.1.330.0030.02716.00
7.1.320.0030.02015.49
7.1.310.0040.02515.68
7.1.300.0030.02415.57
7.1.290.0030.01715.83
7.1.280.0000.02815.75
7.1.270.0030.02215.62
7.1.260.0040.02515.81
7.1.250.0070.02015.83
7.1.240.0060.02215.74
7.1.230.0070.01915.80
7.1.220.0030.02315.88
7.1.210.0020.02315.66
7.1.200.0050.02015.92
7.1.190.0050.02215.91
7.1.180.0040.02115.88
7.1.170.0050.02115.85
7.1.160.0050.02215.77
7.1.150.0110.01715.80
7.1.140.0050.02015.79
7.1.130.0070.02015.86
7.1.120.0090.01916.00
7.1.110.0050.02315.84
7.1.100.0050.02015.87
7.1.90.0070.02015.61
7.1.80.0050.02316.02
7.1.70.0030.02316.21
7.1.60.0110.02017.09
7.1.50.0100.01716.20
7.1.40.0030.02515.78
7.1.30.0050.02515.80
7.1.20.0070.02015.83
7.1.10.0030.02215.63
7.1.00.0020.04717.99
7.0.330.0030.02315.43
7.0.320.0020.02515.54
7.0.310.0050.02215.43
7.0.300.0070.02015.40
7.0.290.0070.01715.53
7.0.280.0080.01915.48
7.0.270.0080.01915.18
7.0.260.0070.01815.51
7.0.250.0020.02215.36
7.0.240.0050.01915.34
7.0.230.0100.02215.29
7.0.220.0070.02015.40
7.0.210.0020.02515.48
7.0.200.0030.01915.88
7.0.190.0060.02315.42
7.0.180.0030.02215.33
7.0.170.0080.02115.45
7.0.160.0070.01915.49
7.0.150.0060.02015.25
7.0.140.0070.03717.58
7.0.130.0030.02115.38
7.0.120.0020.02615.53
7.0.110.0050.02115.43
7.0.100.0050.01915.36
7.0.90.0020.02815.39
7.0.80.0070.02015.54
7.0.70.0030.02415.38
7.0.60.0060.03216.86
7.0.50.0020.03216.43
7.0.40.0060.04315.65
7.0.30.0150.04015.73
7.0.20.0050.03415.74
7.0.10.0090.02915.71
7.0.00.0060.03215.80
5.6.400.0070.04314.26
5.6.390.0030.05114.73
5.6.380.0070.04214.13
5.6.370.0100.04114.18
5.6.360.0050.04414.23
5.6.350.0030.04514.48
5.6.340.0050.04214.19
5.6.330.0080.03714.47
5.6.320.0050.03914.49
5.6.310.0070.04514.33
5.6.300.0060.04214.52
5.6.290.0070.04414.34
5.6.280.0090.05416.45
5.6.270.0030.04314.21
5.6.260.0050.04314.25
5.6.250.0080.04014.37
5.6.240.0030.04214.21
5.6.230.0100.03714.47
5.6.220.0030.04214.19
5.6.210.0100.05916.45
5.6.200.0020.06415.62
5.6.190.0030.04916.49
5.6.180.0130.04916.38
5.6.170.0120.04816.29
5.6.160.0070.06016.36
5.6.150.0070.05215.71
5.6.140.0030.07315.74
5.6.130.0060.06515.45
5.6.120.0090.06216.55
5.6.110.0030.05216.56
5.6.100.0040.06516.63
5.6.90.0110.06016.60
5.6.80.0010.06716.34
5.6.70.0030.04514.18
5.6.60.0030.04514.37
5.6.50.0030.04514.31
5.6.40.0020.05314.17
5.6.30.0020.04214.29
5.6.20.0030.04114.36
5.6.10.0080.04314.14
5.6.00.0070.04714.19
5.5.380.0080.04012.63
5.5.370.0060.04012.79
5.5.360.0050.03912.78
5.5.350.0090.05915.23
5.5.340.0020.06414.45
5.5.330.0060.04715.21
5.5.320.0120.04715.21
5.5.310.0120.05615.23
5.5.300.0040.06614.39
5.5.290.0060.07014.42
5.5.280.0020.05115.38
5.5.270.0060.05415.36
5.5.260.0080.05615.31
5.5.250.0060.05615.36
5.5.240.0080.04615.24
5.5.230.0030.04412.58
5.5.220.0000.04312.46
5.5.210.0030.04512.63
5.5.200.0020.04212.66
5.5.190.0060.03912.59
5.5.180.0030.03812.65
5.5.170.0070.04512.65
5.5.160.0080.04012.75
5.5.150.0070.04012.85
5.5.140.0080.04112.52
5.5.130.0000.04812.59
5.5.120.0030.04512.52
5.5.110.0060.03912.73
5.5.100.0030.05012.72
5.5.90.0050.04812.69
5.5.80.0050.04212.60
5.5.70.0060.04112.70
5.5.60.0050.04512.74
5.5.50.0100.03812.74
5.5.40.0080.03912.76
5.5.30.0050.04212.68
5.5.20.0050.04312.44
5.5.10.0020.04912.71
5.5.00.0100.04012.75
5.4.450.0140.05414.34
5.4.440.0230.05614.38
5.4.430.0120.05214.38
5.4.420.0130.06414.37
5.4.410.0090.06214.39
5.4.400.0130.05214.26
5.4.390.0060.05714.13
5.4.380.0090.05314.02
5.4.370.0080.06314.07
5.4.360.0080.06014.09
5.4.350.0060.05714.08
5.4.340.0070.05514.04
5.4.330.0030.04311.78
5.4.320.0050.05212.01
5.4.310.0030.04812.01
5.4.300.0030.04912.01
5.4.290.0050.05412.01
5.4.280.0050.05511.97
5.4.270.0040.04611.98
5.4.260.0050.05711.97
5.4.250.0060.05111.99
5.4.240.0040.04611.97
5.4.230.0040.05011.97
5.4.220.0030.04811.97
5.4.210.0070.05311.97
5.4.200.0020.06011.97
5.4.190.0060.05111.97
5.4.180.0050.04611.97
5.4.170.0090.04911.97
5.4.160.0040.04411.97
5.4.150.0020.04911.97
5.4.140.0020.04811.88
5.4.130.0060.04811.93
5.4.120.0040.04811.84
5.4.110.0030.04911.86
5.4.100.0040.04611.90
5.4.90.0030.05011.93
5.4.80.0030.04811.92
5.4.70.0060.04511.86
5.4.60.0030.05411.84
5.4.50.0060.05211.86
5.4.40.0060.05411.95
5.4.30.0030.04811.86
5.4.20.0090.04611.88
5.4.10.0130.04811.84
5.4.00.0020.05711.67
5.3.290.0050.07311.90
5.3.280.0070.05911.86
5.3.270.0090.07011.86
5.3.260.0040.05811.86
5.3.250.0070.05511.86
5.3.240.0040.06711.86
5.3.230.0040.06211.86
5.3.220.0060.05611.84
5.3.210.0050.05811.84
5.3.200.0040.06911.84
5.3.190.0060.06611.84
5.3.180.0030.06811.84
5.3.170.0050.05611.84
5.3.160.0020.07111.84
5.3.150.0060.05711.84
5.3.140.0040.06311.83
5.3.130.0060.06011.83
5.3.120.0040.06111.83
5.3.110.0050.06211.83
5.3.100.0060.05711.56
5.3.90.0060.05911.54
5.3.80.0060.06111.54
5.3.70.0060.06711.54
5.3.60.0040.07011.54
5.3.50.0070.05811.50
5.3.40.0060.06711.50
5.3.30.0040.06711.48
5.3.20.0060.06911.37
5.3.10.0070.05511.35
5.3.00.0070.06611.34
5.2.170.0060.05710.10
5.2.160.0020.05810.10
5.2.150.0040.05510.10
5.2.140.0050.05310.09
5.2.130.0060.05410.07
5.2.120.0050.04910.07
5.2.110.0050.06210.08
5.2.100.0060.06610.08
5.2.90.0060.05810.07
5.2.80.0050.05210.07
5.2.70.0060.05110.07
5.2.60.0020.06210.05
5.2.50.0050.05110.03
5.2.40.0080.06110.03
5.2.30.0070.05910.01
5.2.20.0040.06410.01
5.2.10.0070.0629.98
5.2.00.0070.0529.92
5.1.60.0070.0469.56
5.1.50.0050.0509.55
5.1.40.0040.0529.54
5.1.30.0050.0499.72
5.1.20.0040.0579.73
5.1.10.0030.0599.59
5.1.00.0030.0569.60
5.0.50.0050.0878.84
5.0.40.0020.0838.77
5.0.30.0020.0858.67
5.0.20.0030.0818.66
5.0.10.0040.0808.64
5.0.00.0020.0868.64
4.4.90.0010.0827.89
4.4.80.0020.1007.88
4.4.70.0070.0787.88
4.4.60.0020.0877.88
4.4.50.0000.0927.89
4.4.40.0020.0857.86
4.4.30.0040.0867.88
4.4.20.0030.0947.92
4.4.10.0040.0947.92
4.4.00.0040.0917.88
4.3.110.0030.0937.84
4.3.100.0040.0937.83
4.3.90.0040.0937.82
4.3.80.0010.0807.80
4.3.70.0030.0787.81
4.3.60.0020.0857.81
4.3.50.0030.0817.82
4.3.40.0020.0937.78
4.3.30.0010.0837.18
4.3.20.0050.0797.17
4.3.10.0030.0827.15
4.3.00.0000.08612.64

preferences:
37.42 ms | 401 KiB | 5 Q